Dimension& CompatibleExternal dimensions: 42.8 x 30.8 x 2 cm / 16.9 x 12.1 x 0.8 inch (LxWxH),Internal dimensions: 41.5 x 29.5 x 1.5 cm / 16.3 x 11.6 x 0.6 inch (LxWxH);To ensure the product is suitable for your laptop, we suggest you measure the dimensions of your laptop (not diagonal dimension), and compare it with the item internal dimensions before purchasing. High Quality & Perfect Protection: NIDOO Shoulder Bag is made of spill-resistant material, it protect your laptop against accidental spills. Premium velvet for bump and shock absorption and protection of your computer from accidental scratches, dust, scuffs. Removable Adjustable Strap & Retractable HandleShoulder bag & Laptop Sleeve & Handle bag; The Laptop Bag contains PU retractable handle and Removable Adjustable Shoulder Strap, Allows you to switch between a handbag and laptop sleeve and messenger bag. Compatible with17.3" Lenovo Legion 5 Gen 6, 17.3" Acer Chromebook 317, 17.3" Dell G7 17,