The Eddy bottle makes portable hydration simple just flip, bite and sip. The .75L size fits easily in the hand and is compatible with most cup holders. The loop handle makes it easy to clip to a pack or comfortably carry in the crook of your finger. The spill-proof design, durable construction and BPA-Free materials make it an ideal bottle for work or play. Hydration capacity: 25 oz / .75 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.