Sinjimoru Sinji Pouch Series! Sinjimoru has been innovating 'Card Holder for Back of Cell Phone' compatible with every mobile phone and iPhone since 2011. Sinji Pouch Basic 2: The Credit Card Wallet Called 'Basic 2' is one of the most popular products among the Sinji Pouch Series. It has 14 colors to match according to the color of the smartphone or its protective case. Sinji Pouch Basic 4(2pack): The Card Pocket Called Basic 4 is made of simple yet distinctive brand new textured design. It comes in two sets and individually packaged, which also makes it a perfect gift for friends, families, and colleagues! Sinji Pouch Band: The Card Slot Wallet with a strap called 'band' has 8 color options and phone grip function. Sinji Pouch Flap: The id card holder called 'Flap' has a unique pouch cover to prevent the direct exposure of personal information and safely hold credit cards. Sinji Pouch B-Flap: The stick on cardholder called 'B-Flap' offers two great functions, the Flap part prevents personal information and your cards from falling out and The Band part offers a better grip on your cell phone. Sinji Pouch B-Grip: The phone wallet for back of phone called 'B-Grip' offers three great functions, the Flap part prevents cards from being lost the Band part as a phone grip to protect your wrist and fingers from pain as well as to make sure that you never drop your phone by accident.Lastly, the leather stick can be used as a cell phone stand. Card Zip: The phone card holder called 'Card Zip' is an innovative card case with an attachable gel-pad. The card case which can store 3 cards can be attached and detached as you would like, and it can be used semi-permanently as well. Sinjimoru offers 90 Days Warranty + 100% SATISFACTION + Sinjimoru Original BRAND GUARANTEE!