It features HomeStock's removable and stackable storage bins which make it a snap to keep classroom supplies readily at hand as teachers move from room to room and students transition from activity to activity. Depending on the cabinet model you select you get a choice of 6"-deep bins 3"-deep bins or a combination of bin sizes.The bins are cross-compatible with other HomeStock products such as our MBS student desks student chairs teacher cart or activity table (sold separately).Easy to assemble each cabinet module holds up to three 6"-deep storage bins six 3"-deep storage bins or a combination of the two sizes. Based on your needs choose from configurations that are stacked two-high connected side-by-side connected back-to-back as well as a combination of vertical and horizontal connections. All models include an extra set of horizontal connection hardware (for side-by-side and back-to-back connection of additional modules) in case your needs expand in the future.?DIMENSIONS:Overall dimensions (single module): 18.2" x 18.2" x 28.75"Dimensions small sins: 12.25"W x 16.75"D x 3"H (each)Dimensions large bins: 12.25"W x 16.75"D x 6"H (each)FEATURES:Each module lets you organize and stack supplies in six removable 3"-deep bins or three removable 6"-deep binsSteel frame for durabilityBins hold up to 20 lbs. eachBins are made of clear plastic making it easier to see their contentsBuilt-in safety feature prevents bins from accidentally pulling off their tracksBin handles include ticket inserts for labelsTabletop surface provides a supplemental work areaIncluded dry erase whiteboard side panel for sharing of ideasIncluded pegboard side panel provides additional option for organization of supplies1/4" holes spaced 1" apart (center to center)Compatible with pegboard hooks loops and binsModules G?? depending on model - can be stacked joined side-by-side and joined back-to-backIncluded hardware ensures secu