Iphone 4/4s Nzx1897DcVP Grateful Dead Tpu Silicone Gel Case Cover. Fits Iphone 4/4s Keep your iphone 4/4s safe and protected in style with this tpu skin case accessory. Flexible and durable material designed specifically for iphone 4/4s. Advanced tpu material, light weight, strong and flexible. Anti-scratch film: thickest and most durable Comfortable to hold with anti-slip grips on both sides of the case.