Way Basics Quad Cube has 4 cubes designed as a single unit. The modern design with 2 openings creates a unique look. Allows use with JJ Cole® Storage Boxes (sold separately) that fit perfectly into each cube slot. Multiple units can be stacked side to side or on top of each other for added space and multiple configurations. Simple assembly with peel and stick installation. Made entirely from zBoard™, a recycled paperboard material free from formaldehyde and toxins. Measures 26 2/5" W x 12' D x 24 4/5" H overall. Interior compartments measure 12" W x 11 1/5" D x 11 1/5" H.