GreatShield NEON Series PC + Silicone Dual Layer Hybrid Case for Samsung Galaxy S4 SIV S IV / GT-I9500 (Black & Gray) NEON Series hybrid case for Samsung Galaxy S4 IV / I9500 - AT&T, Sprint, T-mobile, Verizon, International and Unlocked. Vibrant 2 tone case adds a splash of color and contrast to your Galaxy S4 smartphone. Dual Layer Protection: Soft inner layer core absorbs shock damage from accidental drops. Made with soft flexible silicone and reinforced with a hard durable poly-carbonate shell. Very slim design, with a smooth glossy finish to showcase the beauty of your Galaxy S4.