1. Material: oxford cloth, aluminum foil2. Uses: lunch, picnic storage and heat preservation bag3. Function: heat preservation and preservation4. Weight: about 128 grams for small size and 168 grams for large size5. Size: small size is about 22x14x28 cm, large size is about 27x16x30 cmFeatures:1. Three layers of very stable materials, long-lasting freshness2. Use aluminum film composite polymer thermal insulation cotton material to reduce heat transfer inside and outside the bag3. Lined with aluminum foil, heat preservation and freshness, lock in nutrition, waterproof and antifouling, easy to clean4. Safe zipper design, smooth opening and closing, easy to carry and store at work5. Comfortable hand-held, thickened hands

http://olla.gr/2-pcs-lunch-lunar-bag-aluminum-film-thickening-large-capacity-portable-lunch-box-specification-small-black/