With zipper design, you can use laptop easily. The use of the bag can protect laptop from dust, shocks, bumps, scrapes. Made of neoprene and foam, the bag is durable. There are different sizes for you to choose from. It is suitable for Macbook Air/Pro 11/13/15 inch. Item Name: Laptop Sleeve Material:Foam Compatible Models: for Macbook Air/Pro 11/13/15 inch Size Details: [Our Size 11 inch]: 34.5cm x 21.5cm x 1.5cm/13.58" x 8.46" x 0.59" (Approx.) [Our Size 13 inch]: 36.5cm x 25.8cm x 1.5cm/14.37" x 10.16" x 0.59" (Approx.) [Our Size 15 inch]: 40cm x 27.5cm x 1.5cm/15.75" x 10.83" x 0.59" (Approx.) Thickness: 2.8cm - 3.2cm/1.10" - 1.26" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X Laptop Sleeve(Laptop is not included.)