COMPATIBLE WITH: Specially designed for Nokia 3.1a case,Nokia 3.1c case 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 PRECISE CUTOUTS: Precise molding and cutouts with all the buttons, ports, ensure full access to all functions without removing the case PREMIUM DESIGN:??PC shell (reinforcement) + TPU inner cover (shock absorption)provides?great?tactile?and?visual?impression,makes?your?phone?more?fashionable?and?unique? ANTIP-SLIP?:?Advanced Anti-Slip Texture?gives?your?smart?phone?more?grip?and?won??t easily?slip?out?of?your?hands.