Designed to sit securely on the bowl ledges of select Strive and Billings workstation kitchen sinks, this KOHLER three-piece accessory set includes a colander / drying rack, soaking bin with drain, and drain board to make food preparation a breeze. When not in use, they neatly stack together on the bowl ledge or can be tucked away within a cupboard. Create a kitchen space that works for you with KOHLER.