The Jetz-Scrubz TRIO Sampler Set is a great way to try our top three products and decide which Jetz-Scrubz shape/size is best for you. Set includes one (1) each of our classic cushion shapes (rectangle, round, and super-size.) The Classic Rectangle measures 4” x 4.5” x 1.125” The Classic Round is 4.5” diameter x 1.125” and The Super-Size Rectangle 5.75” x3.75” x 1.125”