Durable enough for difficult backpacking treks, take Nalgenes 32-oz. Wide-Mouth Loop-Top Water Bottle for on-the-go hydration. 100% BPA-free bottle has a wide mouth for easily adding ice and attaching to purifiers or filters. Suitable for warm or cold beverages. Attached leakproof lid doesnt use an O-ring, so theres no need to worry about losing anything. Eastman Tritan plastic resists tastes and odors. Milliliter and oz. markings for easily tracking hydration. Dishwasher safe. Made in USA. Capacity: 32 oz. Colors:Yellow, Clear, Grey. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Color: Grey. Type: Water Bottles.