Galaxy S5 Case, MPERO Silicone Case for Samsung Galaxy S5 / GS5 Cover Skin - Black Specially designed case for Samsung Galaxy S5 / GS5. Made from fully treated silicone. No mixes or blends. Chemically stable, even when impacted by heat or environmental impact. Insoluble in water, corrosion resistant, a virulent insipidity. Scratch and chip resistant, flexible, soft and washable.