Come and see our amazing products. The back card holder of the mobile phone is made of silica gel. It is widely used in computer back panels, glass, car windows, car dashboards, refrigerator doors or home front doors. High-quality, strong adhesive on the back of the phone, but there is no sticky residue after removal. Replace your wallet with a mobile phone bag and easily install your ID, credit card, wallet card, etc. Tear off the cover of the sticker and stick it on the back of the phone, then gently press to complete. We welcome customized logos, please contact us. Pls confirm with us about the packing info, stock color and exact production time before placing your order.