features large storing capacity and excellent design and workmanship. Features: Large inner can contain many books, with front and side pockets for pen bag/umbrella/water bottle so on. Designed for 1-3-4-6 grade 6-12 year old students. Can be handheld, carried on shoulder, or placed on the trolley; The flexible and durable 6-wheel trolley can go upstairs easily. Effectively reduce students shoulder fatigue and rachis burden. Adopt for Oxford cloth and polymer fibre, high quality, exquisite and fashionable. The flexible and durable 6-wheel trolley can go upstairs easily.