Model No.: X8270: internal dimensions of the case:36.2x22.6x2.7 cm (14.3x8.9x1.1 inch) Compatibility: designed to perfectly fit for 15.6 inch Samsung Galaxy Chromebook Plus; 15.6 inch Samsung Galaxy Book2 Pro; 15 inch LG gram; 15.6 inch LG gram; 15.6 inch LG gram SuperSlim OLED; 15.6 inch ApoloSign NJP1561P 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