Durable borosilicate glass. Leak-proof bamboo cap. Protective silicone sleeve. Soft grip handle. We’re on a mission to hydrate the world. At Soma, we design beautifully innovative water bottles, water filters, and coffee and tea products to help you live a healthier, happier life. This bottle is dishwasher safe, but please hand wash the natural bamboo lid. drinksoma.com. (at)somawater. Certified B Corporation. A portion of sale funds clean drinking water projects globally through our partner charity: water. FSC: 100%. BPA Free. Made with dignity in China.