The CellHelmet Altitude X Series Case for Apple iPhone X & Apple iPhone XS smartphones. Model: (C-ALT-IPHONE-X-BLK). Black version. Features: - Ultra-durable protection w/ Cross-Diffuse and Pyramid Protect technologies. - Proprietary protection technologies (patent(s) pending) - Pyramid Protect - Raised internal pyramids for ultimate back protection and heat dissipation - Cross Diffuse - Cross pattern technology for edge impact dispersion - TPU rubber means third-party tested, Military-Grade protection