Tetra Force Shock-Tech is the new, ultra-protective case for iPhone 8 Plus/7 Plus with hard back and soft frame, made in technologically advanced materials that dampen and dissipate vibrations caused by falls: the perfect solution for those seeking maximum protection for their smartphone. Thanks to the cutting-edge IDS (Impact Dissipating System)TM technology developed by Cellularline, the energy created by shocks along all the edges is dissipated, and the waves and vibrations caused by impact with the surface are counterbalanced. The hard back, combined with a soft frame and ultra-protective internal protection band, provides your iPhone 8 Plus/7 Plus with a triple level of protection against knocks and falls. Moreover, thanks to its ergonomic shape and hard back in anti-scratch and ultra-transparent material, Tetra Force Shock-Tech offers the very best in ultra-protection technology while enhancing the iPhone design. Tetra Force Shock-Tech has a lifetime warranty: for more information, please visit the Cellularline Guaranteed For Life section.