APPLICABLE SIZE AND MODEL: Specifically compatible with 11-11.6 MacBook/Laptop/Tablet/Notebook. Outer Dimensions: 31 x 22.5 x 2.0 cm(12.2 x 8.9 x 0.8 inch ),Inner Dimensions: 30 x 21.5 x 2.0 cm(11.8 x 8.5 x 0.8 inch).If you particularly need a snug or loose fit,check the actual dimensions of yours before purchasing Laptops as different models and brands have different sizes. MULTI-LAYER PROTECTION: As the inner shell, the outer layer is covered with polyester fabric, protecting against dust, dirt and scratches. The soft, fluffy inner lining and high-stretch EPE inner layer provide protection against bumps, shocks and extrusion when placed in a backpack or suitcase. Smooth Zipper: A strong top-loading zipper ensures the laptop bag stays closed, stays smooth and perfectly protects the contents inside. FASHIONABLE DESIGN: The durable, padded sleeve for laptops is perfect for travel and business trips. Personalize your laptop with its own unique style.