Maximum padding for indoor rowing. The Hornet Thick Memory Foam Rowing Machine Seat Cushion is our thickest option at 1.88 inches thick. Its supportive memory foam core gradually conforms during use, while the wider 13.25 by 10.25-inch shape provides a stable seating surface.The neoprene exterior and anti-slip silicone printing on the bottom help the cushion stay positioned without straps. It fits many popular rowing machines, including Concept2, Hydrow, WaterRower, Peloton Row, Sunny Health, and other machines with compatible seat dimensions.Key Features 13.25 in x 10.25 in x 1.88 in Hornet's thickest rowing-machine cushion Supportive memory foam core Neoprene exterior Anti-slip silicone printing on the bottom Wider shape for added stability Strap-free and removable Black Featured by Dark Horse RowingDark Horse Rowing included a Hornet seat pad in its Top 10 Must-Have Accessories for the Rower in 2020 video. Watch the video.Which Hornet cushion should you choose? Choose this model when maximum padding and a wider seating surface are your priorities. Choose the Low-Profile Cushion when you want less change to seating height, or choose the Anti-Slip Cushion in Regular or XL when you want lower-profile padding with a choice of sizes.Because this cushion is 1.88 inches thick, it raises your seating position more than Hornet's lower-profile cushions. Rowing-machine seats vary by brand and model, so compare the listed dimensions with your seat before ordering.Common QuestionsDoes it fit Hydrow or WaterRower?Yes. This cushion fits Hydrow, WaterRower, Concept2, and many other rowing machines with compatible seat dimensions. Compare the 13.25 by 10.25-inch shape with your seat before ordering.Will it raise my seating position?Yes. At 1.88 inches thick, it raises your seating position more than Hornet's lower-profile cushions. Choose this model when maximum padding is more important than minimizing added seat height.Does it attach with straps?No. The cushion rests directly on the rowing-machine seat and uses anti-slip silicone printing on the bottom to help it stay positioned.