Food insulation bag using insulation material and Tyvek. - Brand: 3FUL GEAR - Color: White - Features: Inside: Built-in insulation material, Outside: Tyvek - Size: Suitable package size - Usage: For keeping food warm or cold 3FULGEAR Insulated Food Pouch Freezer Bag Cooking Cozy Insulation/Cooling Pouch Uses reflective material to maintain temperature regardless of low or high temperatures. Convenient for keeping cold drinks like beer and juice cold, and for significantly reducing the time it takes to rehydrate freeze-dried foods like white rice. ★ Can be folded and packed into a compact size Shipping will be wrapped in bubble wrap and sent via Mercari's Yu-Packet Post. Uses ultra-lightweight, high-performance materials suitable for carrying in the mountains, outdoors, etc. - Size: 21-24cm x 23cm - Ultra-lightweight: Approximately 23g