Made of Neoprene. Zipper Closure with External Pocket for Mouse, Adapter,USB etc Outside Soft Handle and adjustable Shoulder Strap for Easy Carrying Light and comfortable,Double zipper design,fully protect your computer from being scratched, splashing water, extrusion and so on The shoulder strap is adjustable and detachable Cool images are printed on both front and back sides of bag，and never fade Rainproof ,breathable, soft and flexible feel good Can be repeated cleaning, easy to dry, Never Fade Stylish & fashional design,same image on both sides It may smells no good when it is new , as it is made of neoprene(some kind of rubber),donnot worry, the smell is safe, and you could expose the bag to air for a few days , the smell disappears Size Details(17") About 43 cm(17 inch) x 32 cm( 12.6 inch)/ 450g Suitable for 17"-17.1" laptop Package Includes: 1* laptop bag