This is an insulated lunch bag with a thermal lining. It's convenient for hanging on the side of a desk or carrying around. Front: Oxford fabric Back: Toray Sunstate AL You can wash it in a laundry net. Size: Approximately W27 x H24cm (including drawstring) x D10cm (See the 3rd photo for size reference!) The photos are examples. Please note that the pattern placement may differ. This is a handmade item. There may be slight variations from the listed size. To avoid any issues, please refrain from purchasing if you are seeking perfection. ※The lining mesh fabric has a 4-layer structure: ① Mesh fabric ② Aluminum sheet ③ Non-woven fabric ④ Polyester cotton Toray Sunstate AL is used. ※This is made to order, so it takes about a week to ship. If you are in a hurry, please inquire before purchasing. #mizutama's handmade #mizutama's insulated lunch bag