Replacement Silicone Skin Fits Samsung Galaxy S 3 S III Otterbox Defender (GUNMETAL GREY) Built to endure demanding conditions, heavy use and random accidents. Change your outer rubber for a new phone look. why buy both pieces when you can save money. The outer rubber slipcover fits snugly around an inside inner shell that is purchased separately, creating a practically indestructible enclosure for your S3. Get protection that inspires confidence with a Samsung galaxy S3 protector by Superbox - Generic for Otterbox. SUPER STRONG HIGH QUALITY RUBBER!