Long-term storage at home. Found while cleaning up my parents' house. Purchase date unknown. New, unused, unopened. Size: 20 x 20cm Material: 100% cotton Color: White Made in Japan Please purchase if you understand that this item has been stored at a private residence. Shipping will be anonymous via Yu-Yu Mercari Mail, and will be sent via Yu-Packet Post Mini. The outer bag in the photo will be securely sealed with tape, and measures will be taken to prevent water damage. It will be placed in a mini envelope for simple packaging. Thank you for your understanding.