Compatible Model: Samsung Note 8 only, Not compatible with other phone model Shockproof: the middle silicon piece is made of a softer silicon has gnarling tread, molded in for grip and is very comfortable to hold and grips well which has more better shock absorbent Heavy Duty Protection: the 4 layer protection, 2 interlocking plastic pieces, middle silicone and plastic exterior cover to protect your phone against shocks, damages, dusts and scratches