Samsung S7 edge is made of glass front ( Gorilla glass 5), glass back, (Gorilla glass 5), and aluminum frame. It’s a 5.5 inches phone with 83. 4cm (~76.1% screen to body ratio). It has a single SIM ( Nano-SIM) and Hybrid Dual SIM (Nano- SIM, dual stand by). It has a resolution of 1440 x 2560 pixels, 16.9 ratio(~534 PPI density).