COOLER BAG SIZE: 28mX11cmX23cm (11 X4.33 X 9.05in) LUNCH BAG STRUCTURE: 1 main compartment, 1 internal compartment, 1 front pocket, 2 side pockets, modern and lightweight design, which does not take up space. Advantages of the insulated lunch bag: ★ Use high-quality thermal insulation aluminum film inside, which has good thermal insulation effect ★ Does not account for oily dirt, can be wiped, and is easy to clean ★ Buckle-style handle design, can hang the meal bag on the backpack ★ Detachable and adjustable shoulder strap, multiple carrying methods ★ Reflective strip design to prevent loss ★ Suitable for students, work, picnics ★ Exquisite print design, can be used as a perfect birthday gift MULTI-PURPOSE: This lunch bag for children and students can be used as a cooler bag, picnic bag, sundries bag or toy bag, school lunch box. Lightweight and convenient, it is the best choice in daily life. If you have any questions or suggestions about our products, please contact us, we will attach great importance to your valuable feedback. Hope you have a good shopping in our store!