I have kept this at home after purchasing it. I'm not sure if it's unopened, so I've listed it as "like new." Selling at a bargain price to anyone who needs it. A4 size Paper thickness: 0.21mm 30 sheets GENERAL WNP-012A4 Shipping costs 210 yen, so please refrain from price negotiations. #GeneralHoldings Type of office supplies: OA/copy paper