Package Contents: You will receive 30 black double-sided adhesive patches, including 10 rectangular patches with a size of about 53 centimeters (length and width), 10 square patches with a size of about 4*4 centimeters, and 10 round patches with a diameter of about 4 centimeters. The thickness of each rubber stamp shape is about 3 millimeters. Materials Used: This double-sided adhesive pad is made of high-quality thick foam, with an adhesive film and release paper. It has strong adhesion, certain water resistance, is resistant to high and low temperatures, and is durable. No Need to Drill: The double-sided adhesive pad adopts a self-adhesive design and does not need to be drilled. It won't damage your walls and won't easily leave glue marks when removed, reducing the hassle of removing residual glue. No need to drill: The double-sided adhesive pad adopts a self-adhesive design and doesn't need to be drilled. It won't damage your walls and won't easily leave glue marks when removed, reducing the hassle of removing residual glue. Multipurpose: You can use these foam adhesives in the car, home, office, etc. to fix items such as car decorations, small potted plants, photo frames, cards, floor mats, carpets, pen holders, etc. It is suitable for metal, plastic, wood, marble, and glass surfaces. The foam pad has a certain thickness and can play a buffering role.