Organize your classroom Kit includes a variety of trays that can store, stack and roll for multiple storage and organization options. Each Rollatray kit includes 3 single-width, single-depth trays, 1 single-width double-depth tray, 1 single-width quad-depth tray, 5 clear single-width tray lids, 5 ticket windows and namecards, two 2-division StorTrays, two 3-division short StorTrays, two 3-division long StorTrays, two 4-division StorTrays, 2 single-division StorTrays and casters for the quad tray. Solid color trays and tray inserts are molded out of shatterproof, high-impact polystyrene. Clear tray lids are molded out of shatterproof ABS. Dual-labeling system simplifies identification. FIRA Innovation Award, FIRA Ergonomics Excellence Award and FIRA Ergonomics Excellence Award. GREENGUARD - For products that meet strict indoor air quality guidelines. Primary Clear (tote trays) , Clear (tray lids) and Light Gray (stortray inserts) . Storsystem Standard-Width Rollatray Kit, 16 3/4in. x 12 1/3in. x 28 1/4in., Primary Clear is one of many Classroom Furniture available through Office Depot. Made by StorSystem.