The Insta-Chill Can Sleeve uses active cooling gel technology to chill any room temperature drink in 10 minutes or keep cold cans chilled for hours. Just freeze the flexible neoprene sleeve for at least 1 hour before wrapping it around your favorite beer, seltzer, or juice. Quantity: 1 can sleeve Materials: Neoprene, active cooling gel, Velcro Size: Fits 12 oz. slim cans Function: Keeps drinks cold for hours and doubles as a cold pack Features: Neoprene construction keeps your hands warm, flexible design stores flat Care: Hand wash