Product Features: 1. High quality metal zipper can slide easily 2. Heat-insulating aluminum foil interior has excellent heat insulation ability 3. Durable, waterproof, tear-resistant, wear-resistant, waterproof 4. Lightweight, with handle, easy to carry. 5. Fashionable and classic lunch boxes are perfect for everyone. The lunch bag is made of high quality fabric and is carefully sewn. The bag always remains filled or unfilled. The aluminum foil inner layer has a high level of heat resistance and insulation. The picnic handbag is perfect for school or office work, travel, camping, fishing and other daily home needs. Material: aluminum foil, pearl cotton, oxford cloth Dimensions: 23x21x13cm The color black Package termination: 1 x small cooler bag in black (No cold pack included)