Internal dimensions: 16.8 x 12.2 x 1 inch (42.7 x 31 x 2.5 cm). Measure your laptop before purchase. Compatible with most 17 to 17.3-inch laptops, ultrabooks, and notebooks. Features 5mm padded interior for shock absorption, providing 360-degree protection against scratches, dents, bumps, and impacts. Outer shell made of 600D wool-felt polyester fabric for enhanced grip and durability. Equipped with a YKK zipper for secure and long-lasting use. Slim and lightweight design allows easy portability; fits into briefcases, backpacks, or other larger bags. Ideal for business, school, and travel. Compatible with LG Gram 17 and 17.3-inch models, Dell Inspiron 17 3000, 5000, 7000 series, Dell Inspiron 17 3780, 5775, Dell G3, G7 laptops, HP ENVY 17, HP Pavilion 17, HP ProBook 470 G5 17.3, HP OMEN 17, HP 17 and 17.3-inch laptops, Acer Predator 17, Predator Helios 300, 500, 700 17.3-inch models, Aspire 5 and 7 17.3-inch, Lenovo IdeaPad 330, L340, 110, Y700, Y540, Y740 17.3-inch, ASUS VivoBook Pro 17, ASUS ROG Strix, Zephyrus, TUF 17.3-inch, MSI GS75, GL75, GF75, GE75 17.3-inch, and most other 17 to 17.3-inch laptops and notebooks.