Double sided tape with a width of 1.6 mm, thickness of 1.8 mm, and length of 20 meters is a versatile type of tape that can be used for a variety of applications (1.6mm x 18mm x 20m). It is commonly used for bonding two surfaces together, such as mounting photos, posters, or other lightweight items to walls or other surfaces. It can also be used for sealing envelopes, or for holding items in place during assembly or crafting