Bookbinding Tape A4 Size Pre-Cut Black 50 Sheets Made in Japan Seiwa Sangyo Product Details: Manufacturer: Seiwa Sangyo Co., Ltd. Product Number: SSTG-A4W Contents: 35mm x 297mm Color: White Pre-cut to A4 paper size (297mm), so there's no need to measure with a ruler or cut with scissors, making it very convenient. It's a self-adhesive sticker type, so you can use it immediately. There's no need to straighten out any curling, allowing for efficient work. I opened the package once to check the number of sheets, but it's unused. I purchased it several years ago. Please understand that this item has been stored at home before purchasing.