Elastic Bandage Sports Band Knee Support Patella Strap size One size -- 32-48 cm/12.59-18.89 inches Please measure your knee circumference 4 inches above your kneecap. Product Description Weight: ab more→out 37g per piece Color: black, gray, pink, blue Material: OK cloth, SBR, spandex Size: One size fits all (fits 35-48 girth) Suitable for: men, women, adults, men, women Applicable scenarios: running, golf, basketball, football, football, volleyball, tennis, badminton, mountain climbing, hiking, cycling, weightlifting, yoga, sports fitness, etc. Please allow 1-2cm measurement error due to manual measurement Colors may vary slightly from listed photos due to different monitors and lighting