you can stick it on any flat surface. Super Adhesive Attaches to the back of your device, protective case or any flat surfaces using high strength adhesive and won't come off unless you force it. Removable & Reusable The high quality adhesive is engineered to be removed without leaving any sticky residue. The adhesive part can restore its adhesion after washing, making it reusable. Durable PU Leather Made of durable high quality PU leather, it is designed to resist tearing from repeatedly inserting and removing your cards or cashes and durable for everyday use. Secure Hold Hold its contents super tight, items won't fall out even if you turn it upside down and shake it! Thin & Lightweight Just 0.12 inches thin and only 0.92 ounces, this 2-slot card holder wallet is a portable cell phone accessory. Perfect for quick trips, hiking, biking, shopping, jogging, night out, gym or everyday use. Perfect Compatibility Fit perfectly on the back of your iPhone 7 Plus/7/6s Plus/6s/6 Plus/6, or its protective cases and any smooth surface with enough space to fit credit cards. Specifications Brand: dodocool Material: PU leather, glass fiber Color: Rose Red, black or brown (optional) Warranty: 12-month warranty Item dimensions: Approx. 5.12 * 2.44 inch /130 * 63 mm (L * W * H) Item weight: Approx. 0.92oz / 26g Package dimensions: Approx. 7.20 * 3.54 * 0.16 inch / 183 * 90 * 4 mm (L * W * H) Package weight: Approx. 1.38oz / 39g Package includes 1 * dodocool Universal Adhesive Card Holder 1 * Instruction Manual (English) NOTE: 1. Card Holder ONLY, phone and other accessories are not included. 2. Not suitable for uneven or matte surfaces. 3. Only the adhesive part is washable.