This sturdy backpack is constructed with nylon made entirely from recycled plastic water bottles and trimmed with naturally biodegradable canvas. Each pack removes seven 16oz. plastic bottles from the environment. Features large front zipped pocket. two side pockets, and an interior zipped pocket. Sized for ages five to ten. (14 x 15 x 5.5"). Beatrix is an uber cool company from New York. These great back packs are cool and earth friendly. Great eco school bags.