Reusable Imported. Usually arrives in 15-25 days Wide-open Design closure Insulated Lunch Boxs bags: top-grade material, made of oxford cloth, nylon cloth, peva, aluminum foil, polyester, canvas, linen. Insulation material can keep your food warm or cold for hours. Leakproof Lunch Bag: top-grade process, the inside of the lunch bag is leak-proof and easy to clean, you never have to worry about the soup or drink in the bento box seeping into your lunch bag and soiling the table. Large Capacity: personalized design, large and medium capacity is enough to hold everything you need for lunch, picnic, camping, travel, work, office, school, outdoor. Portable Bento Bag: the lightweight, durable and stylish insulated lunch bag is also versatile, with a zipper or drawstring design, and a portable or adjustable shoulder strap allows you to carry it easily and conveniently. Service: for more different sizes of lunch bags to choose from, please search for YANG-YI lunch bag. If you have any problem about our lunch bag, please contact with us by email. Thanks.