This Childcraft Mobile Cubby Unit features removable dividers that provide flexible storage options; allowing you to configure the compartments the way you need them. Fits trays sized 7-7/8 W x 12-1/4 D x 5-3/8 H inches. It moves easily around your classroom on heavy-duty casters and comes fully assembled for your convenience! The full unit measures 47-3/4 W x 14-1/4 D x 30 H inches.