Model No.: X8316: internal dimensions of the case: 39.9x26.2x2.7 cm ( 15.7x10.3x1.1 inch ). Note: only fit for 17.3 inch ASUS Zenbook Pro 17 UM6702 Laptop. This Laptop’s dimension is 39.50x25.86x1.97 cm (15.55x10.18x 0.78 inch ). Please confirm your laptop model or dimension Compatibility: designed to perfectly fit for 17.3 inch ASUS Zenbook Pro 17 (UM6702) Laptop Anti-Shock: EVA hard sleeve and features internal upgraded shock resistant padding layer, protect your laptop from inadvertent collision and accidental scratches when put in backpack or suitcase Waterproof: the Smatree sleeve is made of durable 1600d nylon, it obstructs water effectively. Don't worry about splashing water, washable when laptop sleeve case becomes dirty Fashion Style: unique diamond pattern on the surface makes your case unique, personalize your laptop with its own unique style Customized for ASUS Laptops: Smatree has more than 20 sizes of hard EVA protective sleeve case customized for ASUS laptops. If you're not sure which model of case is fit for your laptop, please feel free to contact our customer service