Klean Kanteen Canister, Brushed Stainless (16-Ounce + 8-Ounce Set) Made of 18/8 food-grade stainless steel, BPA-free and eco-friendly Tare It Up bulk-ready and grease pencil friendly containers. Wide mouth for scooping, filling & pouring Leak-proof, airtight, and shatter-proof, stackable. Silicone seal locks in freshness and flavor These canisters are single walled and NOT intended for keeping items hot or cold. Easy to clean (rounded corners) 3.1 x 3.1 x 3.2 inches inches