PREMIUM MATERIAL: Made of thickened PVC, it is odorless, harmless, environmentally friendly, comfortable and durable. The transparent color is chic, allowing the beautiful appearance of champagne to be clearly visible, including transparent ice cubes and beer bubbles. EXCELLENT SEALING: The wine cooler bags offer excellent sealing and insulation properties. Preserve your champagne or other drinks with ice to maintain optimal taste for an extended period. WIDELY USED: Wine ice packs are ideal for serving champagne, white wine, rosé, beer, and other beverages. Perfect for parties, picnics, barbecues, celebrations, housewarmings, and various outdoor events. WHAT YOU GET: Four portable wine bottle cooler bags measuring 11.5 cm long, 11 cm wide, 25 cm high, and 0.4 mm thick. Designed to fit most drink bottles, especially champagne, meeting your daily needs.