Food safe material. No BPA. Fits classic bottles. Strong-as-Steel Guarantee: Our products are guaranteed to withstand life's thrills and spills. KleanKanteen.com. Certified B Corporation. 1% For the Planet member. Top rack dishwasher safe. High flow rate. Durable, soft silicone spout. Spillproof. Designed in Chico, California. Responsibly made in China.