Devicewear Sketchy: Design Your Own Samsung Galaxy S4 Case (Includes 5 inserts) (Pink) Clear-backed case with slim thermoplastic polyurethane bumper accents to absorb bumps and bruises. Comes with 5 blank inserts for sketching that slip into clear-backed case. Additional inserts available at low cost. Samsung Galaxy S4-specific cutouts allow easy access to camera and ports.