The Reflect 800ml water bottle is made of sustainably harvested bamboo, stainless steel and food-grade silicone. No paint and no plastic. 18/8 stainless steel construction. Single wall design is lightweight. Electropolished interior, a safe and non-toxic process, and rounded corners make it easy to clean. Includes leakproof Bamboo Cap. Compatible with the spill proof Sport Cap 3.0. Dishwasher safe. BPA free. 532ml.