This sturdy basin is divided into three compartments for soaking, scrubbing and rinsing. One side is split into two compartments with a brush rest for soaking and rinsing brushes. The other side has a grid in the bottom for gently removing stubborn paint form brush bristles. It has the capacity to store 22 brushes.159 mm x 159 mm. (6,25 in x 6,25 in.)