Asus Zenfone Zoom (ZX551ML) Slim Case Leather flip case Nillkin Sparkle Smart Sleep/Wake up PU Leather Flip Cover (Sparkle Golden) Compatible with Asus Zenfone Zoom ZX551ML Selected Material: Select imported leather and pearl Bottom mix bump PC clamshell design, thin slip,exact slight,delicate texture,outstanding visual Protection: Super fiber lining, protect the screen,Bottom uses imported environmental PC material,salient point design, and jewelry color painting,extraordinary touch and shockproof. Smart Sleep & Wake up: Inner magnetism, Case closed automatically enter sleep, last the life of battery. No window Design. Warranty: one month replacement warranty. If, any manufacturing defect or you are simply not happy with it in any way, just send the case back to amazon Warehouse and we will send you out a free replacement