Descriptions of Camera Bags
3 Legged Thing
ACME
BRESSER
Benro
Billingham
Canon
Soft Case DCC-450 Body Jacket EH23-CJ Soft Case DCC-60 CB-HL100 BP Soft Case DCC-1000 Soft Case DCC-520 Semi-Hard Case EH25-L Soft Case DCC-480 Body Jacket EH29-CJ Soft Case DCC-1900 Soft Case DCC-1500 DCC-1880 Soft Case DCC-1370 Soft Case DCC-1450 DCC-1890 Gadget Bag 2400 Backpack BP100 Face Jacket EH28-FJ Video Soft Case HFR, HFS, FS, HFM Messenger Bag MS10 Pouch Case CC-PP110 Body Jacket EH30-CJ Soft Case SC-DC75 DCC-1950 LP-1219 CB-HL110 DCC-2500 Soft Camera Case DCC-850 Soft Case DCC-400 DCC-1850 Lens Case 200 Soft Case DCC-800
Case Logic
SHC-101 Viso Large Camera Backpack Era DSLR/Mirrorless Camera Bag TBC-403 Bryker DSLR Shoulder Bag TBC-402 Bryker DSLR Camera Case ECC-101 Viso Medium Camera Bag Kontrast DSLR Shoulder Bag SLR Camera/Laptop Backpack Bryker Mirrorless Camera Case DCB-304 Viso Small Camera Bag Era DSLR Shoulder Bag QPB-301 CPL-103 DCB-302 SLR Camera Holster Luminosity CSC/Compact DSLR Hoslter Viso DSLR/Mirrorless Camera Case UNZT-202 SLDC-203 CPL-107 Reflexion CSC Holster Era Medium Camera Backpack QPB-201 Bryker Camera/Drone Large Backpack DSLR Shoulder Bag Viso Slim Camera Backpack DCB-305 Bryker Camera/Drone Medium Backpack SLMC-202 DCB-306 TBC-303 DCB-313 SLR Camera Backpack DCB-06 DCB-301 Era Small Camera Backpack
Chrome Industries
Crumpler
The P.P. 55 Messenger Boy 55 The Flying Duck Camera Full Backpack Light Delight 300 Checker 90 Lolly Dolly 65 Checker 70 Lolly Dolly 45 The P.P. 45 C.C. 55 The B.B. S Quick Escape 400
Cullmann
SHELL COVER Compact 100 Leather RIO Fit 120 ULTRALIGHT CP Action 200 MALAGA Compact 400 AMSTERDAM Maxima 520 MALAGA Compact 200 SYDNEY pro Action 150 PANAMA Maxima 120 SYDNEY pro Vario 400 SHELL COVER Compact 100 STOCKHOLM Maxima 250+ LAGOS Compact 150 MALAGA Maxima 120 SEATTLE TwinPack 400+ MALAGA Maxima 200 AMSTERDAM Maxima 335 STOCKHOLM Maxima 85+ SYDNEY pro Maxima 300 STOCKHOLM Maxima 235+ RIO Fit 110 MALAGA Vario 400 C-SHELL Compact 150 BOSTON Action 200 SYDNEY pro CrossTwinPack 400+ MALAGA Maxima 300 MALAGA CombiBackpack 200 SYDNEY pro Maxima 200 MADRID Two Maxima 125 LAGOS S Vario 250 RIO Fit 100 MALAGA Vario 200 PANAMA CrossPack 200 SYDNEY pro TwinPack 400+ MALAGA Action 300 ULTRALIGHT 2in1 DayPack 600+ SYDNEY pro Maxima 80 MADRID Sports Maxima 325 BOSTON Vario 330 PROTECTOR PodBag 450 LAGOS Compact 100 MALAGA Action 200 LAGOS Action 150 MADRID Sports Maxima 125 BERLIN Compact 100 MALAGA Vario 100 MALAGA Action 150 LAGOS Compact 200 ULTRALIGHT Sports DayPack 300 LAGOS Action 100 BRISTOL Maxima 322+ PANAMA Backpack 400 PANAMA Action 90 GRANADA Compact 150 PANAMA Vario 100 PANAMA Backpack 200 GRANADA Compact 100 SYDNEY pro Vario 200 STOCKHOLM Maxima 310+ PANAMA Vario 200 BRISTOL DayPack 600+ PROTECTOR Action 300 CROSS PodBag 400 PANAMA Action 200 MALAGA Compact 300 MADRID Maxima 330 QUICK COVER 60 ULTRALIGHT CP Action 400 SYDNEY pro TwinPack 600+ ULTRALIGHT CP Maxima 300 PANAMA Action 100 SYDNEY pro DayPack 600+ SHELL COVER Compact 200 PANAMA Maxima 200 ULTRALIGHT CP Action 300 MALAGA Maxima 70 BRISTOL Maxima 333+ SYDNEY pro Action 300 ULTRALIGHT CP Maxima 100 LAGOS Action 80
Deuter
Domke
F-5XA Small Shoulder Bag F6 Little Bit Smaller Bag J-803 Digital Satchel Bag F-7 Double AF Bag J-1 Series Shoulder Bag F-802 Reporters Satchel Bag F-5XB Shoulder Bag F-901 Compact Pouch F-10 JD Medium Shoulder Bag F-8 Small Shoulder Bag F-4AF Pro System F-803 Camera Satchel Bag F-6B Ballistic Bag F-2 Original Shoulder Bag F-1X Little Bit Bigger F-3X Super Compact
F-Stop
Dalston Micro Tiny Camera Bag Insert and Cube Dyota 11 Pro Large Camera Bag Insert and Cube Dyota 20 Pro Small Camera Bag Insert and Cube Ajna Shinn DuraDiamond Tilopa DuraDiamond Loka UL Ajna DuraDiamond Shallow Small Camera Bag Insert and Cube Sukha Lotus
FjallRaven
Fujifilm
BLC-XPRO2 Instax Mini 12 Case SC-X20 BLC-X70 BLC-XT2 Instax SQ10 Case BLC-XE4 Instax Mini 11 Case LC-X100 Instax Mini 9 Bag Instax Mini Evo Case Instax Mini 40 Case Instax SQ1 Case Instax Mini 8 Case Instax SQ40 Case BLC-XT3
Gitzo
Traveler Tripod Bag GC1202T Traveler Tripod Bag GC2202T Tripod Bag GC5101 Tripod Bag GC4101 Tripod Bag GC3101 Adventury 45L
Golla
AGATE ALEC GAGE BURT MASON SIMON BARRY STRIKER QUINN CAROL GENIE ISLE ALFIE CLEN FIONA STEP ALEXA NOLAN HANNAH RAZO HAPPY SALMIAC SHINE NICOLE SPRING
HP
Hama
Syscase 90 Makemo 60J Hardcase Colour Style 60H Fancy Cross 40H Terra 130 Fancy Sporty 80M Monterey 100 Colt Fancy Memory 60C Pittsburgh 110 Colt Seattle 80 Colt Hardcase Carbon Style 40G Terra 90M Terra 60H Phoenix 140 Monterey 100 Canberra 90L Fancy Neoprene Flame 50E Pittsburgh 200 Canberra 100 Hardcase Carbon Style 60L Phoenix 135 Samara 110 Colt Canberra 130 Colt Terra 110 Pittsburgh 140 Fancy Neoprene Flame 70E Miami 150 Hardcase Carbon Style 60H Astana 110 Colt Fancy Wave 60H Hardcase Colour Style 80L Terra 110 Colt Valletta 90 Rexton 110 Pittsburgh 135 Profitour 180 Aha 60G Matera 110 Colt Hardcase Two Tone 40G Pittsburgh 130 Monterey 110 Colt Profitour 240 Matera 110 Syscase 90 Colt Samara 170 Sambia 100 Colt Matera 135 Syscase 60L Miami 190 Monterey 80 Colt Samara 100 Matera 90M Monterey 110 Sambia 100 Syscase 60G Sambia 110 Trinidad 80L Hardcase Ambato 80M Syscase 110 Colt Sorento 50J Terra 140 Terra 100 Colt Terra 90 Fancy Las Vegas 50F Hardcase Ambato 80R Syscase 100 Hardcase Colour Style 60L Samara 110 Hardcase Ambato 60M Fancy Memory 50C Terra 135
JJC
Jack Wolfskin
Kata
Krusell
Leica
Lowepro
Whistler RL 400 AW II Compact Courier 70 Photo Sport BP 200 AW II Photo Active BP 300 AW m-Trekker SH 150 Quick Case 100 Nova 170 AW II Hipshot 20 Adventura TLZ 20 II Lens Case 7 x 8 cm Hardside CS 20 Volta 20 Adventura BP 300 III GearUp Creator Box XL II Photo Hatchback BP 250 AW II Photo Active BP 200 AW Tahoe CS 80 Quick Case 120 Nova 180 AW II Melbourne 10 Adventura SH 160 III Napoli 30 Stockholm 110 Pro Trekker RLX 450 AW II Volta 30 Adventura BP 150 III GearUp Creator Box L II Newport 10 Photo Hatchback BP 150 AW II Rezo 15 Nova 200 AW II Luxe Tahoe BP 150 PhotoSport BP PRO 70L AW III Terraclime 10 Pro Trekker BP 350 AW II Lens Case 9 x 13 cm Trekker Lite SLX 120 Dashpoint 20 Dashpoint AVC 1 Photo Classic BP 300 AW GearUp Creator Box M II Rezo TLZ 10 Adventura TLZ 20 III Flipside 500 AW II Passport Sling Slingshot Edge 250 AW CompuDay Photo 150 Tahoe CS 20 Santiago 30 II Lens Case 9 x 9 cm PhotoSport BP PRO 55L AW III FreeLine BP 350 AW Dashpoint 10 Truckee SH 120 LX Format TLZ 10 Flipside Trek BP 450 AW ProTactic BP 300 AW II Passport Duo Lens Case 11 x 11 cm Santiago 10 Adventura CS 20 III Flipside 400 AW II Portofino 10 Geneva 30 GearUp PRO Camera Box XL II ProTactic Utility Bag 200 AW Adventura CS 20 Pro Trekker BP 450 AW II Flipside Trek BP 350 AW Slingshot SL 250 AW III Lens Case 11 x 14 cm Adventura SH160 II ProTactic MG 160 AW II Santiago 20 PhotoSport BP 24L AW III Flipside 200 AW II Portofino 20 Apex 30 AW GearUp PRO Camera Box L II Flipside 400 AW III S&F Utility Bag 100 AW Lens Case 8 x 12 cm Photo Active TLZ 50 AW Lens Case 13 x 32 cm Tahoe CS 10 Adventura SH140 II Flipside Trek BP 250 AW Truckee BP 250 LX Nova Sport 7L AW Seville 20 PhotoSport BP 15L AW III Ridge 10 Lens Trekker 600 AW III Flipside 300 AW III Scout SH 100 Lens Case 11 x 18 cm Pro Trekker BP 550 AW II Apex 140 AW Trekker Lite BP 250 AW Photo Active TLZ 45 AW Z5 Lens Case 8 x 6 cm Powder BP 500 AW ProTactic TLZ 75 AW Adventura SH120 II ProTactic BP 450 AW II Truckee BP 150 LX Fastpack Pro BP250 AW III SlingShot 302 AW Adventura SH 120 III Ridge 20 ProTactic Lens Exchange 200 AW ProTactic SH 120 AW Apex 10 AW Trekker Lite BP 150 AW m-Trekker BP 150 Pro Trekker BP 650 AW II ProTactic TLZ 70 AW Nova 140 AW Adventura SH110 II ProTactic BP 350 AW II Hardside CS 80 Spectrum 30 Adventura SH 140 III Santiago DV 35 Truckee BP 200 LX ProTactic Lens Exchange 100 AW GearUp Filter Pouch 100 ProTactic 450 AW Adventura Ultra Zoom 100 Trekker Lite HP 100 Lens Case 11 x 26 cm Whistler BP 350 AW II Nova 170 AW Nova 140 AW II Helsinki 10 Adventura SH100 II Hardside CS 60 Tasca 10 GearUp PRO Camera Box XXL II Vail 10 Rezo 40 Adventura TLZ 30 III Whistler BP 450 AW II Photo Sport BP 300 AW II Adventura TLZ 30 II Fastpack BP 250 AW III Rezo 10 Nova 160 AW II Hipshot 10 Tasca 30 Adventura SH 115 III Apex 60 AW Format 160 Lens Case 9 x 16 cm Hardside CS 40
Manfrotto
Pro Light Reloader Tough-55 HighLid Advanced Rolling Camera Bag III Tripod Bag Unpadded 75 cm Pro Light Flexloader Backpack L Advanced2 Fast Backpack M Pro Light Camcorder Case 192N Tripod Bag Padded 75 cm Tripod Bag Padded 80 cm Pro Light Camcorder Case 197 Solo II Holster Nano III Camera Pouch Street Convertible Tote Bag Tripod Bag Unpadded 60 cm Chicago 30 Pro Light Multiloader Camera Backpack M Pro Light Frontloader Backpack M Diva 35 Pro Light Cinematic Backpack Balance Advanced Holster Extra Small Plus Advanced2 Shoulder Bag L Solo IV Holster Bella II Shoulder Bag Pro Light Camcorder Case 195 Advanced Compact Backpack III Chicago 50 Pro Light Backloader Backpack S Pro Light Tough TH-83 Advanced Compact Shoulder Bag 1 Advanced Shoulder Bag A1 Street Waist Bag Advanced2 Shoulder Bag M Essential XS Piccolo 5 Pro Light Camcorder Case 193 Advanced Shoulder Bag S III Street Shoulder Bag for CSC Street Slim Camera Backpack Pro Light Reloader Spin-55 Advanced Befree Backpack III Pro Light Cineloader Large Advanced2 Shoulder Bag S Essential S Advanced2 Messenger M Advanced Gear Backpack Small Amica 50 Vivace 30 Advanced Holster L III Pro Light Reloader Tough-55 LowLid Advanced Shoulder Bag M III Manhattan Runner-50 Pro Light Backloader Backpack M Advanced Hybrid Backpack III Advanced Shoulder Bag XS III Pro Light Tough 47F Hard Case Advanced2 Holster L Essential M Advanced Gear Backpack Medium Advanced Holster S III Pro Light Reloader Air-55 Advanced Shoulder Bag L III Vivace 10 Advanced Holster M III Advanced Messenger Camera Bag M III Advanced Gear Backpack M III Advanced2 Holster M Advanced Active Backpack II Professional 50 Advanced Active Backpack I Pro Light Messenger Bumblebee M-30 Unica III Messenger Piccolo 3 Pro Light Reloader Air-50 Tripod Bag Padded 100 cm Street Backpack Noreg Messenger-30 NX CSC Messenger Manhattan Mover-30 Backpack Amica 40 Lifestyle Manhattan Mover-50 Advanced2 Travel Backpack M Advanced Befree Backpack NX Shoulder Bag DSLR Tripod Bag Padded 90 cm Advanced Travel Backpack III Manhattan Speedy-10 NX Messenger V2 Amica 20 Pro Light Camera Backpack 3N1-36 Advanced2 Hybrid Backpack M Street Shoulder Bag I for DSLR/CSC NX Shoulder Bag CSC Tripod Bag Unpadded 80 cm Pro Light Rolling 97 Manhattan Changer-20 Pro Light Camcorder Case 191N Quick Stack Light Stand Bag Large NX Shoulder Bag CSC V2 Amica 10 Street Camera and Laptop Backpack Advanced2 Compact Backpack Street Holster NX Bodypack Tripod Bag Padded 120 cm Pro Light Reloader Switch-55 Quick Stack Light Stand Bag Small Pro Light Cineloader Small Windsor Backpack Advanced2 Gear Backpack M Piccolo 1 Street CSC Camera Pouch NX Backpack Advanced Fast Backpack III Tripod Bag Unpadded 70 cm Nano II Camera Pouch
Mantona
MindShift
Gear PhotoCross 10 Gear BackLight 36L Gear BackLight 18L Gear Exposure 13 Gear PhotoCross 15 Gear Exposure 15 Gear Rotation180 Horizon 34L Gear BackLight 26L Gear PhotoCross 13 Gear BackLight Elite 45L
National Geographic
Nikon
CS-S01 Body Case CB-N1000 CS-S26 CF-DC3 Body Case CB-N2000 CS-S16 Body Case Set CB-N2000 CS-L01 CS-P08 CS-S10 CS-S02 CS-CP04
Olympus
CSCH-70 CS-51B SMHC-115 OM-D Shoulder Bag L CS-45B CS-44SF CSCH-107 Bucket Bag CSCH-114 System Camera Bag CBG-10 Everyday Camera Backpack CSCH-123
PGYTECH
Panasonic
Peak Design
Camera Cube Large Camera Cube Medium Field Pouch V2 Everyday Totepack 20L V2 Everyday Sling 6L V2 Camera Cube Small Everyday Sling 3L V2 Everyday Tote 15L V2 Everyday Messenger 13L V2 Everyday Backpack 20L V2 Everyday Backpack Zip 20L Everyday Backpack 30L V2 Everyday Sling 10L V2 Everyday Backpack Zip 15L
Polaroid
Port Designs
Puluz
RIVACASE
7080 (PU) 7510 7501 SLR 4053 (PS) 7022 (PU) 7103 (PU) 7023 (PU) 7023 (PS) 7611 (PS) 7470 (PS) 1400 (LRPU) 7460 (PS) 7450 SLR 1100 (LRPU) 7612 SLR 7440 (PS) 7420 (PS) 7412 SLR 7205A-01 (PS) 7490 (PS) SLR
Ricoh
Sea To Summit
Shimoda
Sony
LCS-CSZ LCS-U5 LCS-PSC7 LCS-EBEB LCS-TWJ LCS-U20 LCJ-RXGB LCJ-HWA LCS-TWP LCJ-RXK A7/A7R LCS-SL10 LCS-BBJ LCS-CS2 LCS-EJA LCS-AMB LCJ-WDB LCS-MS10 LCS-BDG LCS-EJC3 LCJ-RXE LCJ-HB LCS-WM LCS-SC8 LCS-EMC LCS-TWB LCS-ELCBBA LCS-U11 LCS-U21
TENBA
BYOB 7 Camera Insert Tripack T488 DNA 9 Slim Messenger Cineluxe Roller 21 Solstice Backpack 24 Fulton v2 16L Tripack T388 Solstice Backpack 12 DNA 16 DSLR Backpack Solstice Backpack 20 Solstice Sling Bag 10 Fulton v2 10L Skyline Pouch 3 Axis V2 LT 20L Backpack Cooper 15 Slim Cineluxe Shoulder Bag 24 Skyline Shoulder Bag 13 Solstice Sling Bag 7 Fulton v2 14L Axis V2 LT 18L Backpack Cineluxe Shoulder Bag 16 Skyline Backpack 13 Cineluxe Pro Gimbal Backpack 24 Cineluxe Backpack 24 BYOB 9 DSLR Backpack Insert Axis V2 16L Road Warrior Backpack Axis V2 4L Sling Bag Cooper Slim Backpack Skyline Messenger 13 Skyline Shoulder Bag 12 Cineluxe Shoulder Bag 21 Axis Tactical Backpack 20 Cineluxe Roller 24 BYOB 9 Slim Backpack Insert Roadie Air Case Roller 21 Skyline Top Load 9 Axis V2 6L Sling Bag Axis V2 4L Top Loader Cineluxe Backpack 21 Skyline Shoulder Bag 10 BYOB 10 DSLR Backpack Insert BYOB 10 Camera Insert Skyline Top Load 8 Axis V2 24L Backpack Axis V2 32L Backpack Roadie Roller 24 Skyline Shoulder Bag 8 Triangular Tripack TTP46 BYOB 9 Camera Insert Axis V2 20L Backpack Axis V2 16L Backpack Roadie Roller 21 Skyline Shoulder Bag 7 Tripack T7010 DNA 13 DSLR Messenger DNA 16 Pro Messenger Roadie Roller 18 Roadie Hybrid Roller 21 BYOB 13 Camera Insert Tripack T538 DNA 16 Slim Messenger Cooper Backpack DSLR
Tamrac
Neos Digital 19 Adventure Messenger 4 Topanga Case 3 Jazz 76 Neos Digital 17 Neos Digital 12 Express 6 Compact Zip Express Case 2 Aero Zoom 20 T94 Compact Digital T90 Express Case 3
Tatonka
Think Tank
StreetWalker HardDrive V2.0 Skin 50 V3.0 Shape Shifter 15 V2.0 Speed Changer V3.0 Retrospective 10 V2.0 Lens Changer 50 V3.0 Shape Shifter Retrospective 7 V2.0 Hubba Hubba Hiney Lens Changer 35 V3.0 Slim Changer Retrospective 5 V2.0 Airport International V3.0 Little Stuff It Retrospective 30 V2.0 Skin 75 Pop Down V3.0 Digital Holster 20 V2.0 TurnStyle 10 V2.0 Airport Security V3.0 Retrospective 20 V2.0 Vision 15 Digital Holster 10 V2.0 Retrospective Backpack 15 Urban Approach 15 StoryTeller 10 Airport TakeOff V2.0 StreetWalker Airport Roller Derby Digital Holster 40 V2.0 StoryTeller 8 Digital Holster 30 V2.0 Airport Navigator StreetWalker Pro Mirrorless Mover 5 Airport Advantage XT Vision 13 Airport Essentials Digital Holster 5 Airport Commuter Mirrorless Mover 30i Airport Accelerator Streetwalker Rolling V2.0 Mirrorless Mover 20 Lens Case Duo 30 Lens Case Duo 15 Airport Advantage Urban Access Backpack 15 StreetWalker V2.0 Mirrorless Mover 10 Lens Case Duo 5 Mirrorless Mover 25i Urban Access Backpack 13 Digital Holster 50 V2.0
Thule
Aspect DSLR Backpack EnRoute Camera Backpack 20L EnRoute Camera Backpack 25L Covert DSLR Backpack 24L Covert DSLR Rolltop Backpack 32L
Vanguard
Veo BIB T18 Divider Bag 46 Alta Fly 62T Vesta Aspire 41 Sevilla 6C Veo Adaptor R48 Veo Select 46 BIIN 17 Supreme 46D Veo BIB F36 BIIN 8H Divider Bag 40 Alta Fly 58T Veo Adaptor 24M Veo Select 45BFM Vesta Aspire 25 Veo Range 48M Supreme 27D Veo BIB F33 BIIN 10 Veo Range T 37M BIIN 50 Veo Select 59T Alta Fly 55T Veo Select 45M Vesta Aspire 21 Veo Go 24M Veo BIB F28 Chicago 6B Veo Adaptor 15M Veo Select 37BRM Alta Fly 49T Sedona 43 Veo Select 39RBM Veo Go 42M Veo BIB F27 Isa 6A Alta Sky 45D Veo Range 41M Veo Active 46 Alta Sky 66 Seattle 6C Veo Select 41 Sedona 34 Pampas II 15 Vesta Aspire 15 Kinray 43 Veo Go 34M Veo Adaptor S41 Veo Discover 42 Supreme 37F Veo Select 48BF Veo Range 38 Alta Sky 53 Nivelo 15 Veo Select 49 Reno 34 Veo Go 15Z Vesta Aspire 15Z Veo Adaptor R44 Supreme 37D Vesta Start 12Z Veo Active 42M Peking 5B Divider Bag 37 Veo Select 42T Oslo 15 Veo Select 29M Alta Sky 51D Veo Adaptor S46 Kinray 48 Veo City CB29 Alta Action 60 Veo Active 53 Divider Bag 53 Alta Rise 48 Peking 6A Supreme 40F Oslo 12Z Veo Select 36S Alta Sky 49 Kinray 53 Veo City CB24 Alta Action 80 Veo Flex 25M Veo Go 21M Veo Active 49 Alta Sky 68 Veo Range T 48M Alta Rise 45 Supreme 27F Veo Select 28S Veo Go 15M Pampas II 22 Veo BIB T25 Beneto 6C Alta Action 70 Veo Range 32M Veo Select 55 BT Supreme 46F Pampas II 13 Veo Select 22S Supreme 40D Veo City CB34 Veo Go 25M Vojo 13 BALI 6C Veo BIB T22 Bahamas 6C Veo Go 46M Veo Range T 45M Supreme 53F BIIN 14 Veo Range 21M Veo Select 43 Supreme 53D Veo Flex 18M Pampas II 18
WANDRD
Rogue Sling 3L FERNWEH M/L Camera Cube Mini+ PRVKE 21 Camera Cube Mini PRVKE 21 Photo Bundle Route Pack PRVKE 41 Photo Bundle FERNWEH S/M Camera Cube Essential D1 Fanny Pack Camera Cube Essential Deep DETOUR Hip Pack Camera Cube Essential Plus Rogue Sling 9L DUO Daypack Camera Cube Pro+ PRVKE 41 Rogue Sling 6L PRVKE 31 Photo Bundle PRVKE 11 Lite Camera Cube Pro PRVKE 31