This is a printed protective back cover for Lenovo K4 Note mobile phone. It provides access to all ports.Easy to fit and remove.It is made from high quality polycarbonate plastic. Polycarbonate is type of tough, durable plastic.So the cover is lightweight while providing great strength against drops and other potential cell phone damage, it is just 18 to 20 grams in weight.It covers the edges to prevent damage from fall. It doesn't make the phone look bulky at all.Enhances the overall appearance of the phone.The process used for printing is known as sublimation.The cover is printed at the top as well as on all sides uniformly.The sublimation technology of printing is the latest and most modern process giving vivid colours and a beautiful effect to the cover.The printing is durable and doesn’t fade or come out over the repeated use. The humidity and sweat of the hand doesn’t affect the printing.