1) It's made with tissue paper as the backing material. As the double sided terms implies, the tapes use solvent based, water based, hot melt based adhesive to coat both sides of backing material. They are then pressed on to release paper for separation purposes. 2) It's characterized by excellent thickness, easy tear and good adhesion, suitable for decoration, sealing documents, postal service and shoe making industry. 3) Best choice for the office, home and school.