Hign-concerned Chemical None Features Anti-Scratch,lightweight,Non-Slip Design transparent Type FULL COVERAGE Brand Name TREE RING Origin Mainland China Sytle Transparen Air Cushion Shockproof Case Price Wholesale test ok before shipping Test one by one Feature 1 High-quality silicone+aluminum alloy material Feature 2 Graphene heat dissipation design Feature 3 Compatible with Magnetic Radiators