2‐in‐1 accessory cap for Nalgene, CamelBak, and other popular wide‐mouth drink bottles Drink spill‐free through the small spout - small cap is easy to grip, even with gloves on Clean and fill easily with large cap Wide, rounded strap is comfortable to hold Made from food‐safe polypropylene (#5) plastic, FDA food‐safe - 100% BPA‐, PC‐and phthalate‐free, dishwasher safe (top rack only)