1.ULTRA THIN DESIGN - good sense of feeling when touching. 2.SOFT TPU CASE- anti shock ,anti scratch and anti dust for back cover and buttons. Also the case is bendable. 3.CANDY COLOR SOFT MATTER CASE- the case is soft and thin, and it is shockproof, anti scratch and anti dust, so it is value-for-money. 4.ENVIRONMENTAL FRIENDLY MATERIAL-do not harm to human body and protect the environment. 5.ACCURATER HOLE POSITION- easy access to press the buttons, sound without damage.