It is made of high-quality anti-slip silicone material, solid and durable, with smooth outside and corrugated texture inside, which is effective anti-slip. It is small and light, with the size of 2.2 * 3.4 * 0.07 inches. Sticking it on the back of the phone will not increase the thickness and weight of the phone, It is easy to install and disassemble. The 3M tape backing is firm and durable. When you want to remove the card clip, you can peel it off without leaving any residue.