Food safe. No BPA. Stainless steel. Fits wide mouth 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. Leak proof. Top rack dishwasher safe. Carry loop. All-stainless interior. Designed in Chico, California. Responsibly made in China.