Features: 1. Made of high quality material, which is durable, non-toxic, odorless and 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 Foil Color: Silver Options: 25 * 30cm / 9.8 * 11.8inch , 30 * 35cm / 11.8 * 13.8inch, 35 * 40cm / 13.8 * 15.7inch Thichkness: 3mm / 0.1inch Weight: Approx. 145-270g Package Included: 5 x Insulated Bags