Which Shark Tank product is the most successful?

There is no single official answer, but the products most commonly named as Shark Tank's biggest successes are Scrub Daddy and Bombas, both reporting cumulative sales well into the hundreds of millions. Tipsy Elves, Squatty Potty, and Cousins Maine Lobster are also frequently cited. Ring is the most famous company the Sharks passed on, later acquired by Amazon.