If you specifically need a tight or loose fit, compare the actual size of your laptop with the inner dimensions of the sleeve to ensure they are smaller than the inner size. The closer the match, the better the fit Basic protection: As an inner shell, the outer layer is covered with polyester fabric, while the inner layer is filled with highdensity EPE foam. This prevents dust, dirt, debris, scratches, and protects against collisions, vibrations, and compression when placed in a backpack or travel bag Storage compartments on the front: Extra pockets on the front side provide ample space to store documents, chargers, earphones, mobile phones, memory cards, external hard drives, pens, etc Comes with a dedicated small sleeve: A dedicated small sleeve for power adapters and USB ports that is portable and slim, ideal for daily use Warm tips: To choose the right size, carefully read the instructions in the product before placing your order Applicable sizes and models: Note the sizes: 11 inches (does not apply to 11inch 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 12inch 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 14inch refer to 13inch) Outer dimensions: 35.5*25.5*1.5 cm Inner dimensions: 33.0*23.0*1.5 cm 14 inches (screen diagonal 14inch refers to 13inch, 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 (Macbook16 Pro choose this) Outer dimensions: 38.0*28.0*1.5 cm Inner dimensions: 36.0*25.5*1.5 cm 15.6 inches (15.6inch 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