MATERIAL: The Rowing Machine Seat Cushion is made up of memory foam material, comfortable, durable and solid for use.FITS PERFECTLY ON CONCEPT 2 ROWING MACHINE:This black seat cushion is designed having the exact specifications of the Concept 2 rowing machines seat in mind - so its a perfect, snug fit.SLIPP-PROOF TECHNOLOGY: The cushions bottom side is covered with a new, extra strong Slip-proof fabric, so its able to stay in place even during intense workouts.DESIGNED FOR FREQUENT USE: Using this rowing machine seat cushion during your workouts will help to reduce pain and discomfort even after multiple daily rowing exercise sessions.EASY TO CLEAN: All you have to do is wipe it down with a wet cloth and let it dry - simple as that.