Use it as one big storage unit or use just one divider for two large storage areas. Or you can use both dividers for 4 separate storage areas. Unit is on fixed position wheels for easy steering under table. Two Nilo Bins sold separately will fit under Multi Activity table NW51! Two 2 bins fit underneath NW51 table One 1 bin fits underneath NW34 table Measures 26L x 20.5W x 15H Solid hardwood construction Melamine side panels Thick bottom panel designed to withstand impact On fixed casters to roll inout from underneath tables Comes with two removable panels that form four storage areas