If you need a snug or loose fit, compare your laptop's actual size with the sleeve's inner dimensions to ensure it fits perfectly. The more similar, the better fit. Basic protection: As an inner shell, the outer layer is covered with polyester fabric, and the inner layer is filled with high-density EPE foam, which can prevent dust, dirt, debris, scratches, and protect against collisions, vibrations, and pressure when placed in a backpack or travel bag. Storage compartment on the front: There are extra pockets on the front side with enough space to store documents, chargers, USB cables, phones, memory cards, external hard drives, pens, etc. Comes with a dedicated small pouch: A dedicated small pouch for power adapters and USB hubs, which is portable and slim, and lightweight for daily use. Warm tips: To choose the right size you need, read the following instructions in the product carefully before you order. Applicable sizes and models: Note the sizes: 11 inches (does not apply to 11-inch tablets) [Outer dimensions]: 31.5*22.0*1.5 cm [Inner dimensions]: 30.0*20.0*1.5 cm 12.5 inches (does not apply to 12-inch Macbooks) [Outer dimensions]: 33.5*23.5*1.5 cm [Inner dimensions]: 31.5*21.5*1.5 cm 13 inches (Huawei, Xiaomi and Apple 14-inch refer to 13-inch) [Outer dimensions]: 35.5*25.5*1.5 cm [Inner dimensions]: 33.0*23.0*1.5 cm 14 inches (screen diagonal 14-inch refers to 13-inch, Apple 16 Pro, Huawei D15) [Outer dimensions]: 37.0*26.0*1.5 cm [Inner dimensions]: 35.5*24.5*1.5 cm 15 inches (Macbook 16 Pro choose this) [Outer dimensions]: 38.0*28.0*1.5 cm [Inner dimensions]: 36.0*25.5*1.5 cm 15.6 inches (15.6-inch gaming laptops refer to this) [Outer dimensions]: 40.5*31.5*1.5 cm [Inner dimensions]: 38.5*28.0*1.5 cm [Only inner dimensions can be installed; thickness can be installed up to about 2.5 cm]