From the manufacturer:
Washi Tape is so versatile. Postage Stamp Washi tape is a continuous roll of perforated semi transparent tape. Each individual postage stamp shaped design is a mini piece of art that comes perforated, are easily torn, simple to apply and are easily removable. Each stamp measure 1 x 1.25 inch. Stamps can be used to decorate journals, scrapbook pages and other projects. Roll is 5 meters in length.