LIGHTER STRONGER: 25% lighter far more durable than other BPA Free plastics CLEAN GREEN: Non leaching, BPA Free and fully recyclableGSI Infinity Dukjug Water Bottle Features: Weight: 7.0 oz. Dimensions: 3.50 x 3.50 x 8.10 Material: Clear Polypropylene, Silicone Product Use:Gourmet Backpacking Car Camping BPA Free Style number 74128Infinity is an ultra lightweight, completely recyclable, BPA Free alternative to Polycarbonate resins. With exceptional clarity, jewel like brilliance and 25% weight savings over Polycarbonate its beauty is truly inspired. Furthermore, Infinity will not absorb food odors like other plastics and will not leach plasticizers or other chemicals into either food or beverage. Infinity pieces remain strong in both hot and cold and are so light that they actually remain buoyant when filled with water. It's even dishwasher safe and actually becomes more stain resistant with every wash.