LOWBALL Stainless Steel Tumbler Double Wall Vacuum Sealed Insulated Beer Cup Outdoor Cocktail Glass With Lid 13.5 oz. Powder Coated 2-pack Set with Die Cast Bottle Opener by Hood River (2) RUGGED - Two walls of 18/8 stainless steel stand up to just about anything. RESOURCEFUL - handles whiskey, beer, cocktails, coffee - even ice water RELIABLE - An indispensable sidekick for camping, hiking, tailgating, boating etc. HARD WORKING - keeps your drink bold for hours without breaking a sweat TRUE - Backed Our Lifetime Warranty and Amazon's 100% Refund Policy