<br/> <br/> 1.COMPATIBLE WITH: Specially designed for Samsung Galaxy M30s /M21. <br/> <br/>2.DUAL LAYER PROTECTION: Two impact resistant layers contains of a shockproof and scratch resistant flexible TPU interior and a hard PC (polycarbonate) exterior, protects your phone from everyday’s dust, scratch,drops,bumps and damages.<br/> <br/>3.PRECISE CUTOUTS: Precise molding and cutouts with all the buttons, ports, ensure full access to all functions without removing the case.<br/> <br/>4.PREMIUM DESIGN:   We designed the not only be more durable than your average Galaxy M30s case, but to also give your fingers and hands more tactile control while making calls, texting or reading the news（Surface triangle design).<br/> <br/> 5.INDEPENDENT BUTTON:Easy pressed chrome-plated independent-technology buttons give you a smooth button-feedback feeling.