The CellHelmet Altitude X Pro Series Case for Samsung Galaxy Note9 smartphones. 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