Keep your classroom organized, mobile, and adaptable with a versatile Mobile Tub Storage Cart. Made with durable .75" and .5" particle board with melamine finished edge band and a black steel powder-coated frame. Carts are available with either 20 or 40 tub capacity. Durable and recyclable plastic tubs are colorful and virtually indestructible. Each tub measures 4.25"H x 10.25"W x 13.75"D and holds up to 5 lbs. Locking doors keep all materials and belongings safe and secure. Heavy duty 3" casters (two locking) provides the easy mobility you need to keep your classroom structure flexible. Has achieved GREENGUARD GOLD Certification.