This phone card clip is made of quality PU leathe.The size is 3.7"Lx2.6"W. which offers a soft touch, and luxurious appearance and last longer. The double-pocket design allows you to classify your items easily. Each phone wallet pocket uses a high-quality 3M adhesive tape backing for a strong, firm, long-lasting hold. It won't lose strength due to pocket heat, light moisture, or sweat, and it won't leave a sticky residue if you choose to remove it. Easy stick on every smooth face such as phone or phone case. Peel off the cover of the sticker and stick it to the back of your phone and finish by softly pressing. No need for your bulky wallet or purse anymore. Just slip your credit cards, ID, and some cash into the card holder for the back of your phone and you're ready to go!