Yes, the Williams Sonoma Goldtouch® Pro Nonstick Half Sheet Cooling Rack is designed with closely set wires that help prevent cookies from slipping through.
It is a steel-wire rack.
It also supports bread and cakes.
Yes, it is dishwasher safe, though hand-washing is recommended for care.
Clean with hot water, soap and a soft sponge.
Avoid abrasive cleaners and scouring pads.
The nonstick coating is an exclusive silicone/polyester finish designed to help baked goods release with ease.