Carry less with the CashBack by keeping your most important cards right on your phone. This Phone Wallet attaches using strong 3M® VHB® adhesive and features an easy-slide window and safety tab. Keep your most important cards with you at all times with this slim and convenient phone wallet. Holds up to four cards securely and attaches to the back of your phone or case using strong, reliable 3M® VHB®. The safety tab keeps your cards in place while the easy-slide window makes it simple to access your cards.