1.KEEP YOUR DRINK COOL: beer bottle cooler sleeve are made of 5mm premium thick neoprene, which can provide excellent insulation, keeping your drinks cold for longer and your hands dry. No matter where you are, use our sleeve, and you can enjoy a cold and refreshing beer anytime! 2.CONVENIENT & LONG-LASTING: The cool beer sleeve opening adopts the smooth zipper design, bring you convenience to put in and take out bottles. And premium thickened neoprene body and reinforced stitching enable better insulation and longer life. With our sleeves, COOL BEER is always at your side. 3.BUDGET-FRIENDLY & ECO-FRIENDLY: Our beer cooler is reusable and washable. It can be used multiple times to reduce waste, a nice alternative to disposable napkins, tissues and paper cup covers. After use, just throw it in the washer or rinse in the sink for an easy clean. 4.PERFECT FOR ALL OCCASIONS: This neoprene insulated sleeve covers are perfect for any indoor and outdoor activities, such as indoor party and daily use, outdoor camping, picnic, fishing, BBQ, pool gathering, beach and so on. Find a bottle holder you like from variour colors, and enjoy the cool beer and party to the fullest.