Thank you for looking at my listing among many others! (^-^) This is a zippered cooler bag. The exterior uses printed fabric and twill fabric. The lining is a small cooler bag made with a cooling sheet (Toray's Sunstate AL). It can be used for onigiri or small bento boxes, etc. (^o^) Height 15cm, Width 19cm, Depth 8cm There may be slight errors in size. Please confirm the size. (^-^) This item is washable, but please hand wash or use a laundry net when washing. The item will be folded for shipping. This is a handmade item, so please only purchase if you understand this. (^o^)