Bag measurements when expanded are 16.5" x 12" x 5.5". Easily carry books, binders, laptops, tablets, phones, cosmetics, keys, travel accessories, clothes, cable. Unisex: Suitable for both Men and Women. Features one large main compartment with double zipper, one small front compartment, one top carrying handle and one side mesh pocket fits water bottle or compact umbrella. Soft ventilated padding gives you maximum back support. Breathable and adjustable shoulder straps relieve strain on your shoulders. Light and efficient! Made of water-resistant 600 D polyester fabric. Ensure secure & long-lasting usage. Great backpacks for college, elementary, middle, high school students, boys, girls, teens.