Collapsing ultra-flat to just 2cm, the space saving Butterfly Dish Rack, with integral intelligent draining tray, stores Collapsing ultra-flat ... to just 2cm, the space saving Butterfly Dish Rack, with integral intelligent draining tray, stores 'invisibly' in ... , the 'intelligent' tray self-drains any excess water. By hand washing dishes and then allowing them to air dry, you can ...