The silicone Flip Top seals when closed properly and should not leak. However it does not lock in place and could be knocked ajar. As a result, it's not upside-down, bottom-of-the-bag leak proof.
· Flip Top Cap bottle with protective silicone sleeve
· Narrow mouth spout for easy on-the-go drinking
· Wide mouth access is ice-cube friendly and cleans easily
· Handle pivots upright for carrying and out of the way while drinking
· BPA, phthalate, PVC and polycarbonate free
· Cap and handle made of polypropylene (pp#5); Flip top made of silicone
· Dishwasher safe with sleeve on bottle; Place Flip Cap on top rack
· All materials are FDA approved
· With glass there is no chemical leaching and no metallic taste
· Patent pending silicone sleeve provides a great gripping surface and helps to prevent breakage
· Glass bottle made in France; All other components are made in the U.S.
· 22 oz (650ml)