Introducing the Vitalize Shaker Bottle. Made to energize. Designed to fuel your best self. Infuse your water or add protein. Fill. Shake. Drink. The 20-ounce Vitalize Shaker Bottle keeps your drink cold for hours, thanks to double-wall vacuum insulation. A rounded interior makes mixing and cleaning easy, while the fast flow spout provides a better sip. The inside is stamped with measurement lines and includes a removable strainer. The base storage container and the soft, easy-grip handle are great on the go. And with a leakproof Tritan lid, it's ready to toss in your bag. Features: Keeps beverages cold for up to 8 hours and iced up to 30 hours 18/8 recycled stainless steel Double-wall vacuum insulation Leakproof Tritan lid Fast flow drink spout Tethered cap Recessed grip Easy-grip handle 3 oz. Tritan base container Stamped measurements Removable strainer Rounded inner liner Fits most car cupholders Dishwasher safe BPA-free