evo.com | Hydro Flask Drinkware > The Hydro Flask 12oz Slim Cooler Cup doubles as a can or bottle cooler and a 12 oz beverage cup. Whether you're sipping sparkling water or chugging hot cocoa by the fire, Hydro looks good and keeps everything at the temperature it should be. Sleeve Cover TempShield(TM) Insulation Hydro Flask's technology eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours. Dual-Use Design Works as a Can or Bottle Cooler and a 12oz Beverage Cup Diameter 2.9" 18/8 Pro Grade Stainless Steel Won't retain or transfer flavor. | Hydro Flask 12oz Slim Cooler Cup 2025 in Black