Designed to insulate nearly all bottles and cans (12oz slim cans, bottles, and cans; 16oz bottles and cans; 20oz bottles and 24oz cans) Double-wall vacuum-insulated Stainless Steel Keeps contents cold for 12+ hours Keeps contents hot for 6+ hours Includes 1 insert, 1 Silicone lid, and 1 extension lid Fits some cup holders, not most Powder-coated styles (laser engraved only) are dishwasher safe. Glitter and graphic styles are hand wash only 1-year limited warranty Patent pending