【TIGHT AND HIGH SAFETY 】This Wallet can firmly hold all the items you can fit in for your convenience and never let go! The highly elastic lycra spandex fabric holds the content of the pocket from falling, even when the pocket is upside down! It allows you to go out in the simplest way..【UNIQUE TWO-SIDED RFID-BLOCKING SECURE DESIGN】 - WuoJi Ultra-slim Self Adhesive Credit Card Wallets are equipped with Advanced RFID SECURE Technology. Our item Built-in 2* Layers RFID-blocking material in front and back cover.Give your cards,valuable data and identity FULL protect not being stolen by electronic pick pockets or hackers..【SURFACE SAFE STRONG WASHABLE ADHESIVE TAPE】Each WuoJi stick on wallet uses a high-quality washable&reusable 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 move it..【SLIM COMFORT,STRONG ELASTICITY】WUOJI's wallets are designed from high qulaity durable elastic fabric that ensures the pocket will never loses elasticity or stays open when not in use. In fact, it's so thin and compact it won't add bulk or make your phone harder to carry. even when in a front pocket, purse or handbags..【CARRIES EVERYTHING YOU NEED WITHOUT THE BULK 】Stick on wallet to your smartphone case or the back of your cellphone and carry ID cards, earphones, credit card, or even a USB flash drive.Or used as a secret pocket in a personal locker, glove box organizer for parking cards or cash, or even as a hidden compartment for your gym bag.