This reusable wine tote bag features PackIt?s patented cooling technology. Freezable gel built-in into the walls means no extra ice packs to lose or forget in the freezer. The bag protects and chills one 750ml-1L wine bottle, Champagne bottle, beer bottle or non-alcoholic drink for hours on the go To use, freeze overnight (12 hours). By morning, the walls of the bag will be completely frozen, ready to cool liquids for hours. The entire wine bag collapses flat for convenient storage in the freezer Roll-top and buckle design and carry strap system secure bottle in bag and lock in cool air. The unique strap design allows you to carry bottles over your shoulder or pull the strap and carry by hand When frozen, this reusable and freezable wine bag chills room temperature liquids in about an hour. It also insulates red wine from heat when unfrozen Proudly made by PackIt: creator of the ORIGINAL foldable, freezable lunch bag. Designed in California.