Features: BevGuard(TM) technology keeps your beverages iced for 24+ hours TwistSip(TM) straw lid offers on-demand sanitary sips Lid is completely leakproof when not using carbonated beverages Signature ColdKey(TM) stainless steel straw prevents plastic from sitting in your water all day Swappable soft-touch sleeve for added durability Wide mouth opening makes adding ice and cleaning easy Built-in, soft-touch handle makes the bottle easy to hold Empty Weight: 1 lb. 7.5 oz. Capacity: 35 oz.