This Double-Wall Stainless Steel Insulated Water Bottle has a Lifetime warranty and is made of premium materials to keep your drinks cold for up to 72 hours. All Liberty Water Bottles are FDA Approved and finish assembled, powder coated, and printed in the U.S.A. Features: Lifetime Warranty Will hold ice for 72 hours, hot beverages 8 hours. Made with 18/8 food grade stainless steel FDA-approved, and BPA/BPS Free Deep drawn steel construction means less dents Exterior is powder coated and heat treated for structural integrity Wide mouth is big enough for ice cubes Details: 20-ounce Insulating, Double-Wall construction prolongs beverage temperature (72hrs/cold, 8hrs/hot) Finish assembled, powder coated, and printed in U.S.A Patented Vacuum technology and thicker stainless steel for superior insulation and durability. Cleaning: Hand wash recommended., (as Big Moods stickers will keep longer). Top Shelf dishwashing approved. These water bottles are imported and finished by Liberty