When you buy a new dish drainer over your sink, there are some factors you need to keep an eye on. Space-Saving Design The major purpose of getting a dish rack over the sink is to have some more space. Be sure to select the right size that satisfies your storage and drying requirements. Stainless steel dish drying racks are mostly compact. But large enough to take your cookware. Roll-up racks could be a great choice too.  Sink Size  Some types are fixed, while others come with adjustable arms to suit different sizes.  Compartments Over the sink dish drying racks have various designed utensil spaces. For instance, you can find a rack with large cutting board holders, a knife rack or areas to hang your mugs, and more. This all depends on your preferences. If you are looking for a rack for your dishes that you can't wash with the dishwasher, all frills may not be necessary.  Durability This is an essential factor to consider while buying an over-the-sink dish drying rack. to make sure the unit won't rust or fall apart. A durable unit will last longer, which means you will not pay more money to get an alternative.