Wow, with 34 double-hooks (68 hooks total) that are optimally spaced, this mobile backpack cart can support just about any class size! Roll it outside the classroom during the day to maximize your space and roll it back inside for arrival and dismissal times for safe student monitoring. Fits easily through standard-width doorways and top storage includes six clear cubbie-trays. 48"H x 55"W x 26-1/2"D.