Features:1. Made of high quality material, which is durable, non-toxic, odorlessand eco-friendly.2. Environmental protection foil with excellent heat and low temperature resistance offers heat and cold insulation and can also retain freshness, keeping stable temperature environment for food.3. Zipper design makes it easy to open, and good sealing performance, uneasy to be aging.4. Moisture-proof, mould-proof, anti-microbial and antioxidant to extend the preservation.5. Healthy, safe and multi-functional, suitable for picnic, lunch, travel, camping and daily food preservation, etc.Specification:Material: Aluminum FoilColor: SilverOptions: 25 * 30cm / 9.8 * 11.8inch , 30 * 35cm / 11.8 * 13.8inch, 35 * 40cm / 13.8 * 15.7inchThichkness: 3mm / 0.1inchWeight: Approx. 145-270gPackage Included:5 x Insulated Bags