Size: Its regular size measures 11*7.5*4 inch (6L) can be expanded to 11*7.5*5.75 inch (9L), fits up to 15 cans; Materials: High-quality PEVA material; Features: Expandable design; Extra Food-Grade Food Storage Bag; Multiple pocket design; Designed with a detachable hand strap and removable shoulder strap. Carrying Handle with Buckle Closure Perfectly suited for children's backpacks The top of the WANDF Kids Lunch Bag is designed with a buckle handle, providing you with more carrying options. In addition to hand-carrying, you can also unbuckle the handle and hang it on the backpack shoulder straps, making it even more convenient for school or travel. Detachable Shoulder Strap Detachable & Adjustable WANDF cooler lunch bag is designed with a detachable and adjustable-length shoulder strap, allowing you to choose the most suitable way of use according to your needs. Water-Resistant Fabric The Lunch Box is made of thick and water-resistant fabric, it is durable and easy to clean.