Package contents: You will receive 30 black double-sided adhesive pads, including 10 rectangular pads with a size of approx. 5*3 centimeters (length and width), 10 square pads with a size of approx. 4*4 centimeters, and 10 round pads with a diameter of approx. 4 centimeters. The thickness of each rubber stamp shape is approx. 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, a certain water resistance, is resistant to high and low temperatures, and is durable. No need to drill: The double-sided adhesive pad has a self-adhesive design and does not need to be drilled. It will not damage your walls and will not easily leave adhesive marks when removed, reducing the hassle of removing adhesive residue. No need to drill: The double-sided adhesive pad has a self-adhesive design and does not need to be drilled. It will not damage your walls and will not easily leave adhesive marks when removed, reducing the hassle of removing adhesive residue. Multifunctional: 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.