This is a set of 4 pieces Wine Bag Flask. Mades of highest quality durable and flexible materials, safe BPA free food-grade plastic with zero taste transfer, safe, clean and reusable. Unbreakable solution for wine lovers, no more worrying about glass breakage with lightweight wine preservation travel flasks. Features - Color: As shown. - Material: Plastic. - Size: 30x12.5x3cm. - Mades of highest quality durable and flexible materials, safe BPA free food-grade plastic with zero taste transfer, safe, clean and reusable. - Unbreakable solution for wine lovers, no more worrying about glass breakage with lightweight wine preservation travel flasks. - Holds 750ml wine, stands on its own with beverages inside, strong and durable enough to fold, also good for beer, water or other beverages.