COSMOS Assorted Colors Silicone ID Card/Credit Card Holder Pouch Pocket Back Adhesive Sticker for iPhone 5/iPhone 6/Galaxy S/Android/Windows Smartphones Fits nearly all smart phones and cases, adhesive back for easy installation. Made of silicone material, with back adhesive sticker to stick it to the smooth back of your phone. Strong adhesive sticker, no worry of falling off easily. Dimension: 2.25 * 3.4 inches Package included: 4 x silicone card holder (black, white, pink, blue)