Capability: carry up to 12 bottles of 750 ml wine, spirits, beer, beverage bottles, and glasses for travel. Material: made of polycarbonate and abs, the chemical & temperature-resistant and the most impact-resistant material for luggage, and waterproof. Unbreakable: your valuable & expensive wines are fully protected by an exclusive & patented guaranty that bottles are not broken if the bag is dropped from up to 6 feet. Wine temperature: insert bags are insulated to keep the desired wine temperature. Convenience: wine bags can be comfortably carried for dinners and parties, and suitcases can be used as regular luggage without bags. Free luggage strap: free luggage strap for further secure closure of the bag.