This is an insulated bag that can hold four 500ml plastic bottles. It's useful for leisure activities, sports, shopping, and going out. It's convenient for keeping cold drinks, fresh food, etc. cold, and for keeping warm drinks, lunches, etc. warm. Both cold and hot are OK! Perfect for commuting, going to school, and picnics! Body size (approx.): Width 14 x Height 21 x Depth 14cm Material/Ingredients: Aluminum film, polyethylene, polyester Insulated/Thermal Bag Box Type 14 x 14 x Height 21cm B-3-148 $$429