This is double-sided tape. It's for airtight sealing and waterproofing, and can be easily cut by hand. It's unused, but please refrain from purchasing if you are sensitive to items stored at home. [Category] Double-sided tape [Length] 20m [Other] Airtight sealing and waterproofing Quantity adjustments are possible. The price per unit will be higher if the quantity is reduced. It will be repacked in a cardboard box for shipping. Thank you.