1) Material: leather, plastic 2) As sturdy and attractive they can be, they are resistant to oil, grease or fungus and dust / lint does not stick to their surface easily 3) Protect mobile phones from temperature, water, rain, scratches and other potential environmental hazards 4) For usage convenience, cases are designed in such a way that calls and other activities on the phone can be performed without removing phone from its case 5) With smart cover, wakes up or make your phone goes to sleep by open or close the case