The laptop bag features a versatile design with a roll-top closure. Allowing you to adjust the bag's volume to fit your daily needs. When fully rolled down, the bag has a slim profile, while rolling the top up creates more space inside. The backpack is made of a durable, water-resistant nylon. It has a spacious main compartment that can easily fit a 17" laptop, textbooks, folders and other daily essentials. It is padded with breathable mesh to provide good protection for your laptop and back. Complies with Prop 65 and CPSIA. 12" W x 6" D x 19" H