J3 Case, Express Prime Case, Amp Prime Case, kaesar Hybrid Dual Layer Armor Defender Protective Case Cover for Samsung Galaxy J3 / Express Prime / Amp Prime - Gray High tech armor plating design along with multi-layer construction for maximum impact resistance Hard polycarbonate outer layer combined with a soft flexible rubber silicone inner layer Shock absorbing and protective yet thin and lightweight Easy snap on/off installation Enhanced Soccer grip on the back with high tech look