The Nalgene Sustain Silo Wide-Mouth 48-oz. Water Bottle is part of a sustainable, eco-friendly line of products with the durable long-lasting quality you expect from Nalgene. This bottle's high-performance, leakproof Tritan Renew construction, a material made from 50% waste plastic (using ISCC-certified mass balance), is built to last and is BPA- and BPS-free. Its easy-to-use wide-mouth design is convenient for ice cubes and fits most filtration devices. Dishwasher safe. 48 oz. Rugged and eco-friendly 48-oz. water bottle for outdoor adventurers Tritan Renew construction a new material derived from 50% waste plastic (using ISCC-certified mass balance) BPS- and BPA-free Leakproof Dishwasher safe Wide mouth fits ice cubes and filtration devices Durable, lightweight construction