Quantity: 12mm width is 2 rolls, 20mm width is 1 roll, 1mm thickness, each roll is 10m in length.After receiving the goods, please open the package, there are 3 rolls in total. Easy to use: you can be cut into the length or shape you need, just remove the protective paper, enough to meet your needs. Material: the tape is made of PE foam, has good adhesion and retention, withstands temperature and friction. Application: Suitable for many occasions, car signs, LED strips, license plate, doors, window decoration, card making, scrapbooking, etc. Double-sided sticky: easy to stick and tear, can stay sticky for a long time, heat and shock resistant. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.