This isothermal bag is functional and practical and indispensable for long trips and displacement, to spend many hours on the beach or go to a family picnic. It will not allow chocolate cookies to melt or the fruit or sandwiches lose their freshness. Thanks to her you can also keep your drinks cold for hours. That is, it maintains the temperature of the product so that it does not heat up or unnecessarily cool. Its exterior is high quality cotton with colorful stamping plastic EVA (*). It is ultralight (166 grams) and flexible and fits easily on any bag for its rather flat shape (with bellows below). Easy to clean: Simply pass a damp cloth and close all its length with Velcro. Ideal for children's excursions. Material: Cotton coated / foam / aluminum sheet. Velcro. Do not wash machine. Clean with a damp sponge with a little detergent. Do not dry in dryer. Do not iron. EVA plastic is a material with unusual properties, which have seen it is very light and durable. It is resistant to cor