If you specifically need a snug or loose fit, compare your laptop's actual dimensions with the inner dimensions of the case to ensure it's smaller. The closer the dimensions, the better the fit. Basic Protection: As an inner sleeve, the outer layer is covered with polyester fabric, and the inner layer is filled with high-elastic EPE to protect against dust, dirt, debris, and scratches. It also prevents collisions, vibrations, and squeezing when placed in a backpack or suitcase. Front Pocket Storage: Features extra front pockets with ample space for documents, chargers, mouse cables, mobile phones, memory cards, external hard drives, pens, etc. Comes with a Dedicated Small Case: Includes a dedicated small case for power adapters and mouse boxes, making it portable, slim, and convenient for daily use. Warm Tips: To choose the correct size, please carefully read the product instructions before ordering. Applicable Sizes and Models: Please note the sizes: 11 inch (not applicable to 11-inch tablets) [Outer Dimensions]: 31.5*22.0*1.5 cm [Inner Dimensions]: 30.0*20.0*1.5 cm 12.5 inch (not applicable to 12-inch Macbooks) [Outer Dimensions]: 33.5*23.5*1.5 cm [Inner Dimensions]: 31.5*21.5*1.5 cm 13 inch (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 inch (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 inch (Macbook16 Pro choose this) [Outer Dimensions]: 38.0*28.0*1.5 cm [Inner Dimensions]: 36.0*25.5*1.5 cm 15.6 inch (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 approximately 2.5 cm].