Jansport Unhinged Backpack. Purple, teal, while, pink. It is 18" x 11" x 6". The main pocket has one large pocket that could fit a small laptop or tablet. There are two pockets on the front. The top pocket is 4.5" The second pocket on the front is 9". There is also a pocket on each side of the backpack for a water bottle that is 6" x 6". The backpack is made of a lightweight nylon type material. The Shoulder straps are padded. This is a medium weight backpack.