NOTE: The new [13"] case is only available for MacBook 13.3 [models A2337, A2338, A1932, A1989, A1706, A1708, A2159, A2179, A2251, A2289]. External dimensions: 34.5 x 26.5 x 2.0cm. Interior dimensions: 32.5 x 24.5 x 1.5cm. If your laptop is not one of these models, please check the actual size of the laptop before purchasing. Basic protection: As an inner layer, the outer layer is covered with polyester fiber and the inner layer is filled with highly elastic EPE, which protects against dust, lime chips, scratches and protects against shocks, bumps and crushing when placed in a backpack or suitcase. SMOOTH ZIPPER: The top-loading zipper ensures the laptop sleeve stays closed, smoothly and perfectly protecting the contents inside. Stylish Design: The durable padded laptop sleeve is perfect for travel and business, customizing your laptop with unique style. caution! To choose the right size for your needs, please read the following instructions in the product description carefully before ordering. If you have any questions about the size, please do not hesitate to contact us.