Redesigned cap and bite valve provide faster flow and enhanced durability. Flip, Bite and Sip. No tipping required (though possible: just remove the straw). New, sleek shape fits in the hand and most cup holders. Dishwasher Safe: All parts are top-rack dishwasher safe. Durable and spill-proof. Easy to carry: Integrated loop handle makes it easy to clip a carabiner or carry with the crook of a finger. 100% Free of BPA and BPS. Wide-mouth opening is easy to fill with ice and water and a breeze to clean. CamelBak Big Bite Valve is compatible with CamelBak eddy and CamelBak Groove bottles. Hydration Capacity: 32 oz / 1 L. Bottle Material: BPA-Free Eastman Tritan Copolyester. Tritan makes the eddy clear, vibrant, durable, dishwasher safe and 100% BPA-Free. Cap Material: BPA-Free Polypropylene. Bite Valve Material: The CamelBak Big Bite Valve is made from medical grade silicone.