Triple Defender Case Cover Black and Gray for the Samsung Galaxy S3

3 Layers of protection weighting just 1.6oz Exterior textured first layer TPU (Thermoplastic polyurethane) offers an anti slip and a firm grip on the case. Impact resistant polymer as a second layer of protection and a third layer of high grade colored silicone. All ports remain accessible while the case cover is installed, no need to remove cover from your phone to charge.The extra cushioning on all 4 corner points offers the best protection available against drops and bumps.