Material:Oxford cloth + aluminum foil.Large Capacity,full waterproof,heat preservation and refrigeration.Encrypted waterproof Oxford fabric is easy to clean, waterproof and durable.Waterproof inside and outside without fear of rain.Applicable scene:Outdoor Picnic/leisure party/supermarket .purchase/fresh fruit preservation.Specification:Material:Oxford cloth + aluminum foilLarge Capacity,full waterproof,heat preservation and refrigerationEncrypted waterproof Oxford fabric is easy to clean, waterproof and durableWaterproof inside and outside without fear of rainApplicable scene:Outdoor Picnic/leisure party/supermarket purchase/fresh fruit preservationPackage Included: 1pcs x Cooler BackpackNote1.Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully.2.Please allow 1-3CM differs due to manual measurement.3.Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.