TIECHI Insulated Lunch Bag with Side Mesh Pocket, Thermal Packed Lunch Box for Adults/Kids/Men/Women, Water-Resistant Leakproof Cool Bag for Work/School/Picnic/Outdoor(Black)High Quality Keep Food FreshMade of durable oxford cloth and thick aluminum lining to protect your food. The stronger aluminum inner layer and thicker foam layer will ensure that your food will stay fresh for a longer time. This lunchbox is a perfect fit for the Bento Box or combo set. Use for office camping,hiking! Perfect Design: Don't sacrifice an inch inside your lunch bag. This bag is designed with a max efficient, expandable side water bottle