Generic Dual Layer Flex Zebra Hybrid Soft Silicone and Hard PC Back Cover Compatible for Galaxy S4 i9500 Color Black and Green Light weight and Perfect fit for Samsung Galaxy S4 i9500 only. Inner skin layer made of flexible and soft silicone material. Outer shell layer made of hard PC material with smooth glossy finish and rugged frame surface. 2 piece snap-on back and frame cover case only, phone not included. Shock-absorbing, skid-proof, tear-resistant, anti-scratch, and anti-fingerprints.