This is a cooler bag that can be bundled with the attached rubber band. It has a pocket inside for ice packs. You can carry it without the contents being visible by closing the zipper. "Material" Polyester "Size" Approximately 36cm x 52cm x 20cm If you don't have one, how about adding it to your collection? However, please refrain from purchasing if you are sensitive to the condition, as it has been stored by a private individual. Returns, exchanges, and refunds are not possible, so please consider carefully. It will be shipped unopened in an envelope. Instant purchase is OK! Thank you. No stains or tears.