This case not a universal laptop bag,each case are only suitable for some especially laptop models.It is especially designed for 15.6" HP Pavilion 15 15-csXXXX (15-cs000 to 15-cs999,Such as 15-CS0079NR 15-CS0078NR 15-CS0077NR 15-cs0042nr 15-cs0041nr) / 15-cwXXXX (15-cw000 to 15-cw999,Such as 15-cw0088nr 15-cw0017au) Series Laptop. Warning: NOT compatible with HP Pavilion 15 15-ckXXX/15-abXXX/15-afXXX/15-auXXX/15-bcXXX/15-awXXX/15-pXXX/15-nXXX/15-bXXX/15-akXXX/15-cuXXX/15-ccXXX/15-cbXXX/15-cxXXX Series Laptop and HP other Envy/Spectre/Chromebook/ProBook series laptop and other brands laptop {{Warning:Most of returned because of choosing wrong model,please confrim your laptop model}}. This protective cover is made of the high-quality PU leather,characterized by the beautiful appearance and fine hand feeling;the inner-layer soft cashmere can better protect the laptop. Unique design with two elastic rubber bands could solve the problem of loose cover effectively in the process of using laptop (This case not support "Tablet model"). Unique liner design for laptop cooling,this case do not affect the heat dissipation of the laptop.Our store have 500+ laptop models cases,search more laptop models's case,please search "Alapmk + your laptop model".