Thermocoolers by BrüMate. Details:Introducing the world's first insulated 12oz slim can cooler. Crafted using high-quality, double-walled stainless steel, with an extra copper layer to keep your beverage over 20x colder than a standard neoprene can cooler to ensure your last drink is just as cold as your first. Perfect for Tailgating, BBQ'ing, Fishing, Hiking, the Beach, Pool, Camping, Get-Togethers, or Outings. Easy to clean. Non-Slip Bottom.