DescriptionInstall it on your phone case or the back of your cellphone and carry ID cards, credit cards, or bus cards. Or used as a secret pocket in a personal locker, organizer for parking cards or cash. The anti-slip pouch design holds the content of the pocket from falling.Features-Color: Black, Light Gray, White -Material: Silicone -Size: 8.80X5.70X0.20cm/3.46X2.24X0.08in - This cell phone cards bag is made of good quality silicone materials, durable for long time use. - It comes with self-adhesive sticker, easy and convenient for you to stick it on the phone back. - The anti-slip design can effectively hold the content of the pocket from falling. - It is suitable for the back of a phone or phone case, can be used for various kinds of phones. - Small size and lightweight very handy and practical for holding your cards.