Note: The [13 Inch] Only specifically compatible with 13.3" & 13.6" MacBook [A2681, A2337, A2338, A1932, A1989, A1706, A1708, A2159, A2179, A2251, A2289]. External Dimensions: 34 x 24 x 2.0 cm(13.39 x 9.45 x 0.8 inches). Internal Dimensions: 32.5 x 22.5 x 2.0 cm(12.8 x 8.86 x 0.8 inches). If your laptop is not among these models, please check the actual dimensions of your laptop before purchasing. BASIC PROTECTION: As an inner sleeve, the outer layer is covered with polyester fabric, and the inner layer is padded with high resilience EPE, protects against dust, limescale debris, scratches, provides protection against shock, shake and extrusion when put into a backpack or suitcase. FRONT POCKET STORAGE: Extra pocket on the front, enough space to keep documents, charge, mouse cable, cellphone, memory cards, external hard drive, pens, etc. COME WITH SPECIALIZED SMALL SLEEVES: Specialized small pouch for power charger and mouse case, portable and lightweight slim fit for daily use. Please attention! To choose the right size you need, please read the following instructions in the product description carefully before ordering. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.