Mritrit 2 Pack Wine Cooler Sleeves for Bottle Freezable and Reusable, Sleeve Portable Picnics/Travel/Parties, Stretchable Beer Coolers 0.7-1L Champagne Bottles Black

Long-lasting Cooling: Our wine cooler sleeves keep drinks cool for up to 6 hours. The water-repellent outer layer prevents stains, ideal for travel, parties, picnics and camping, without ice Universal for Common Bottles: The wine bottle cooler sleeve's 9x6.3in stretchy design fits wine, sparkling wine, champagne and beer bottles from 0.7 to 1 litre, diameter 2.6-4 inches (not for 1.5L large bottles) 3-Layer Material: The wine sleeve cooler is made of high-quality waterproof nylon + insulating cotton + cooling gel for maximum cooling performance and durability Easy to Use: Simply pre-freeze for 1-2 hours, wrap around the bottle and enjoy immediately! Put the wine bottle cooler 1-2 hours in the refrigerator → 2-3 hours cooling effect, ≥2 hours in the refrigerator/2 hours in the freezer → 4-6 hours constant temperature (the bottles must already be chilled) Portable and Reusable: Our wine bottle sleeves are lightweight, foldable and easy to clean, simply wipe with a damp cloth or wash. Perfect for weekends, camping trips, beach days or family gatherings at home, on the go and for repeated use