Specification: Outer Material: 600D oxford Middle Layer: 13mm insulation EPE Inside Layer: Environmental waterproof pvc Color: Blue&Grey Weight: approx. 700g Size: 33 x 23 x 26cm\/12.99" x 9.06" x 10.24"(About 19 liters) Features: Stylish appearance, bright colors, fashionable. Easy to clean, it can be folded and stored conveniently. With the function of heat preservation, more suitable for the winter heat preservation. Multipurpose cold, heat, fresh, high-quality materials, easy to carry, Suitable for travel, holiday outing, family picnic etc. Cold (Ice for 30 hours), insulation(Hot and cold insulation bags for 3 hours). Package included: 1 x Cool Bag