Features: -355ml FUNtainer® with straw -Keeps drinks cool for 12 hours -Vacuum insulated stainless steel -The Double-walled stainless steel construction is designed to withstand drops, bumps and rough handling -Dishwasher safe; however, hand washing is recommended -Do not use with hot liquids About the brand People have loved Thermos products for years because they make everyday life a little better, every time. Enjoy superior temperature retention and exceptional durability. Celebrated engineering.