Model No.: X8280; internal dimensions of the case: 36.5x25.4x2.7 cm (14.4x10.0x1.1 inch) Compatibility: designed to perfectly fit for 16 inch ASUS Vivobook S 16X S5602; 16 inch ASUS Vivobook 16X F1605/M1603; 16 inch ASUS Vivobook 16X OLED; 16 inch ASUS Vivobook 16 Compatibility: designed to perfectly fit for 15.6 inch ASUS TUF Gaming A15 2021; 15.6 inch ASUS Zenbook Pro Duo 15 OLED UX582; 15.6 inch ASUS Chromebook CX1 (CX1500); 15.6 inch ASUS Chromebook C523 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