Product Details Of SOKANO 45L Fast Food Delivery Picnic Keep Warmer And Cooler Bag 3 in 1 Waterproof Carry Backpack Features : 100% water resistant Aluminium foil to keep warm Easy to clean up Bottom have adjustable strap you may tide on motorbike or bicycle. Specifications : Material : Tarpaulin- Hard case c/w aluminium foil Size: 40cm x 32cm x 36cm Weight : 1.5 kg /45L