Used 3L Navy color Open back. Flat measurements Width: Approximately 57 cm Length: Approximately 65 cm Due to thickness, it may be shipped directly in a宅配袋 (delivery bag). Please understand. Only those who understand home storage, please. It may be compressed for shipping, please understand. To reduce costs, Basically, it will be packaged in an unused black plastic bag. Please understand the simple packaging such as recycled paper bags. Returns are not accepted, so please check the condition carefully before purchasing. Thank you very much.