The Woof Washer is a Hoop-like Dog Washing ToolOctober 23, 2017
The Woof Washer can be found on Amazon.com where it costs about $6. Most of the reviewers like the dog cleaning device. The reviewers who did not like it said they found the design to be too brittle.
Here is the original commercial which shows dogs of various sizes betting washed by the Woof Washer.