PU LEATHER MATERIAL: Our phone card holder is made of premium PU leather material. Exquisite craftsmanship ensures that the wallet is not easily deformed or opened, with a longer lifespan. High quality leather provides an elegant appearance and a soft touch UNIVERSAL SIZE: The phone card holder size: 3.7 x 2.5 inch(9.5 x 6.5cm), thick: 0.15 inch(4mm); which is suitable for most mobile phones, we recommend that you measure the size of your mobile phone before buying DOUBLE POCKET DESIGN: The phone wallet features a dual pocket design, allowing you to store money, credit cards, or ID cards in different pockets. The separate storage space makes it easy for you to categorize your items. When you are in business, traveling, working, running, or exercising, you no longer need to carry a wallet, just put your credit card, ID card, and some cash into the card holder on the back of your phone for easy travel STRONG ADHESIVE: This stick on wallet is a sleeve applied with self adhesive tape backing for a strong, firm, attachable, long-lasting effect, provides a strong attachment to the surface of your phone. No worry that the card or money May loose; no sticky residue will be left upon removal EASY TO INSTALL: Easy stick on every smooth face such as phone or phone case. Peel off the cover of the sticker and stick to the back of your phones and finish by softly pressing.