Lycra fabric with self adhesive sticker, which holds the content of the pocket from falling, even when the phone pocket is upside down. Much more soft than silicone and leather card holder, the lycra card holder is suitable for back of phone or phone case. This stick on wallet is applied with 3M adhesive tape backing for a strong, firm, long-lasting effects. It won't leave sticky residue when removed. This phone wallet can firmly hold up to cards, earphones or cash and never let go. Convenient phone finger holder on wallet makes holding and handling of smartphone easier than ever. Color can be customized.