OUR THICKEST CUSHION: Hornet has been making cushions for rowing machine for years, and this is our thickest version yet. You wanted thicker? We listened. This cushion is large and almost 2 inches thick. It also fits on the WaterRower, HydRow, and more. It also fits on recumbent stationary bike. MAKE YOUR ROWS MORE ENJOYABLE: By rowing on your machine with our pad, it will relieve much of the typical tailbone pain leading to a better workout experience and long rows. OPTIMAL SHAPE FOR EXTRA COMFORT: For a cushion to be this thick and keep your stability, you need a wider cushion compared to our other versions. This cushion measures 13.25” x 10.25” x 1.88”. ANTI-SLIP TECHNOLOGY: Anti-slip silicone printing on the bottom of the cushion keeps it firmly in place no matter how hard or fast you're rowing. Our unique technology avoids the inconvenience of having to clip your cushion each time.