Cyanics Smartpouch Elastic Lycra Stretch Stick-On Adhesive Accessory Pocket, Wallet Functioning iPhone Wallet Case, Card Holder iPhone, Smartphone More (Gray (3 Pack)) Fits nearly all smartphones and most non-porous aftermarket cases Made with special strong and stretch lycra elastic fabric (not silicone type) Stretches to accommodate up to 8 cards, but shrinks back down when empty or only carrying a card or two Holds credit cards, money, small earphones and more Dimension: 3.25 x 2.25 inch (8.3 cm x 5.7 cm). Removable and extremely slim at 2.5 mm