Beautiful in its simplicity and deliberate in its design, the Klean Kanteen Reflect Water Bottle 27oz is crafted using sustainably harvested bamboo, food-grade silicone, and stainless steel. Just three materials united into the ultimate expression of Klean.Features: Steel, silicone, and sustainable bamboo construction No paint or plastic Large 1.75" opening fits ice, easy filling and pouring Electropolished interior doesn%u2019t retain or impart flavors Stainless, unibody bamboo cap Laser-etched logo Cap creates allstainless interior Specs: Capacity: 27 fluid ozWeight: (w/bamboo cap) 8.6 oz Size: (w/bamboo cap) 9.9" H x 2.9" WOpening Diameter: 1.75"