Adjustable 2 Shelf Unit – among our most popular items, these adjustable shelf units are versatile and built to last. Shelf heights can be customized – holes are spaced every 1.25".Choose from hardboard backed, no back or acrylic backed versions. Acrylic backed versions are perfectly transparent.Moves easily from room to room on non-marking, 2" lockable casters (included). Our extremely durable Baltic birch construction is finished with a UV resistant coating and is covered by limited, lifetime warranty. It’s easy to clean and rounded corners help keep children safe. Ships fully assembled. Made in Canada.Dimensions: 48"L x 26"H x 12"D. TF191 with hardboard backTF192 with acrylic back (transparent)