Made by Hard PC Cover + Soft silicon inner,easy snap-on installationDesigned by China toppest Excellent designer,specially designed for Iphone 7 7plusFour corners is strengthend crashproof ,the frame is premium shock-absorbent Front side is designed a little higher to protect the screen,Inner lines design to heat Distributing.Dual layer structure,Made of matte PC + tough silicon,Well connected the back cover and the inside silicon by 7 buckles,Precise cutouts for access to all ports, buttons, cameras, speakers, and mics.Ultra slim + precise holes + hollow out buttons + nice matte touch