1-year limited warranty. Double-wall vacuum-insulated Stainless Steel. The world’s first universal can cooler! Designed to insulate nearly all 12oz and 16oz cans and bottles (over 500+ drinks). Keeps contents cold for 12+ hours. Keeps contents hot for 6+ hours. Non-slip Silicone bottom. Cup holder compatible. Powder-coated styles (laser engraved only), Silicone rings, and straws are dishwasher safe. Glitter and graphic styles are hand wash only. Patent pending. Silicone lid locks cans & bottles in place. *Does not fit Modelo bottles