The Vacu Vin Beer Cooler Sleeve Mini actively chills your beer or half bottle of wine within 15 minutes and maintains the ideal temperature untill the last sip. Its lightweight and reusable design makes it perfect for BBQs, picnics, beach days, or any time you want a cold drink on the go.For best results, place the cooling sleeve in the freezer for at least 6 hours before use. When ready, slip it around your bottle and let it chill for 15 minutes. The sleeve will stay cool for up to 1.5 hours, allowing you to enjoy a perfectly chilled bottle of beer or even two. The sleeve fits snugly around 0.33 L beer bottles and half-size wine bottles. Perfect for travel: Lightweight and reusable, designed for convenience. Effective Cooling: Actively lowers the temperature of your wine with innovative cooling technology. Premium Quality: Dutch design, made in Europe Experience the convenience and efficiency of the Vacu Vin Beer Cooler —no ice required, just perfectly chilled drinks.