Inner dimensions of the large bag are: 13.58 x 0.79 x 9.64 inches (L x W x H); External dimensions: 13.97 x 0.79 x 10.04 inches (L x W x H). Extra bag interior dimensions: 5.71 x 0.59 x 5.12 inches (L x W x H); External dimensions: 6.3 x 0.59 x 5.31 inches (L x W x H). Neoprene foam lining and fleece lining absorb bumps and shocks, and protect your computer from accidental scratches. Extra small storage bag for laptop, mouse and headphones. The same color as the large sleeve bag, harmonious and fashionable. This protective carrying case with pouch is perfect for taking out your laptop. Thin and light; it doesn't make your laptop any larger and easily slides into your briefcase, backpack, or other bag. The top zipper on the case slides smoothly, allowing you to use your laptop with ease. Strong compatibility: compatible with most computers. Specifications: Dimensions: 13 inches: 34 x 23.5 x 3cm 13.3 inches: 35 x 26 x 3cm 14-15 inches: 36 x 27 x 3cm 15.6 inches: 41 x 30 x 3cm Power pack: 16 x 13 x 1.5cm Material: EVA + Super Cashmere Package includes:1 piece laptop sleeve