It is made of high-quality nylon fabric which is wear-resistant and scratch-resistant, durable for long term use The inside lining is made of EVA hard shell, which is thick and effectively prevents vibration and impact The zippered compartment on the back can hold a 15" laptop The lower mesh pocket on the front can hold for iPad tablet The upper mesh pocket on the front can hold a 14-inch laptop The smooth zipper pocket makes it easy to put accessories into the backpack and easy to take out A professional bag can hold the RC drone and accessories Ideal backpack for carrying when traveling, camping, sightseeing, etc Specifications: Material: shell nylon + inner liner EVA Size: about 44*31*12.5cm Weight: about 1200g