SmartShake , Reforce Stainless Steel, White, 30 oz SAK-18560 (900 ml)

Battle-Tested - More than 25 Million Happy Customers Since 2009Durable Design - Keep Using it for a Decade or MoreLeak-Proof - 100% Guaranteed by our Smartshake™ WarrantyComfortable & Lightweight - Weighs only 170 grams / 0.375 lbsEngraved Measurement - Units of Measure Engraved on the Inside of the BottlePractical & Easy to Clean - Wide Opening for Simple CleaningThis is a single wall steel bottle. Reforce Stainless Steel Shaker is a resistant shaker bottle. The tough food-grade stainless steel is ultra-durable and hygienic. Lightweight yet made to last. The leak-proof lid and soft loop handle make it a natural part of your healthy lifestyle. Stainless steel is one of the most hygienic materials available.