evo.com | Hydro Flask Drinkware > One cup to rule them all. The Hydro Flask Cooler Cup has a removable TPU sleeve that turns this 12oz coco holder into a frosty-boy coozy - a true do-it-all beverage machine. 18/8 Pro Grade Stainless Steel Won't retain or transfer flavor. Height 4.5" Dual-Use Design Works as a Can or Bottle Cooler and a 12oz Beverage Cup TPU Sleeve Sleeve Cover | Hydro Flask Cooler Cup 2019