4-Pack Silicone Cup Sleeves, Suitable for All Cups with a Bottom Diameter of 7.5cm Inches, Including Iceflow Flip 12-Ounce and 24-Ounce Water Cups, Etc. This Cup Sleeve Protector Is Suitable for Daily Life, Travel, Family Gatherings, Parties, and Other Occasions, and Is Waterproof, Drop-Proof, and Scratch-Resistant. Available in Packs of 4/3/2/1 Pieces, Optional - a Must-Have for Back-To-School Season.