Waterproof neoprene material, great stretch ability, strong and durable, machine washablePerfect fit for 330ml (11.6 oz) Size Beer Bottle; High: 7.5inch; Width: 3.54inch.Great Gift Idea! Perfect for Birthday Parties, BBQ's, Family Picnic's, Camping, Bon Fire's, Bachelor and Bachelorette Party's, Bridal Shower, Block Parties, Dance Parties and Mixers, Graduation Parties, Retirement Parties, Gag Gift, Novelty Gift, Mother's Day, Father's Day, Housewarming Gift, Hostess Gift and Family Gatherings.Zip is easy to open and close, the bottles are effortless to remove out of the coolersTired of Cold hands while holding your drink? These bottle coolies keep your drinks cold longer and NOT your hands! Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store