WARNING: this product is intended for use by children aged 3 and over. To avoid danger of suffocation, please keep the packing poly bag away from babies and children. The packing poly bag is not a toy. CPSIA cautionary statement: no_warning_applicable / choking_hazard_small_parts. Insulation & Freezing: the bag inside used the insulated 4mm thick PEVA lining,which provide great insulation to keep the food warm or fresh up to 5 hours. Very convenient to take food for work, office, picnic, camping and other activities. Dimension & Capacity: this lunch box comes with two sizes: Small size: L8.3 x W5.5 x H6.7 inches, capacity: 4L, Medium size: L10.24 x W5.91 x H8.66 inches, 8L. Actually, the small size one can fit 6 cans of cola or 2 standard bento boxes+some fruits, it is a good choice for women. And the medium size one is a normal size of lunch bag. Construction & pockets: 1 main compartment with zipper closure(double zips in YKK), 1 interior zip mesh pocket can fit paper napkin, handkerchief, keys, or cellphone. Outside 1 insert pocket in the front of the bag for small essentials. High quality and warranty: Warranty 2-years. This lunch bag was made with excellent workmanship for all the details. The raw material like outer canvas, interior lining and metals are all passed SGS Test Report. Portable and cute design: this lunch bag is made of waterproof nylon outside, it\u2019s lightweight and tear resistant; With two ways of carrying- top handle and cross-body by a detachable and adjustable long shoulder strap.