SINKIN Expandable Multiuse Sink Rack charcoal l Versatile 3-in-1 Dish Rack Review Posted: May 02, 2018 Under: Dish Racks By PoshStingray no Comments Dishes are done with ease with the versatile 3-in-1 dish rack from SINKIN. This expandable rack can be used in or on the sink, and on the counter. With its raised walls, glass holders, and removable corner caddy, this dish rack is a great addition.