TreadLife Fitness Exercise Bike Seat Cushion - Designed to Fit Recumbent Bikes DESIGNED TO FIT RECUMBENT BIKES: Although it may not be the EXACT size of your seat, it will be very similar and provide the extra cush for your tush COMFORT FOAM: Made of 100% neoprene foam! Thick but not too thick (0.5") giving enough comfort without sacrificing your biking angle EASY TO USE: Simply set the cushion on top of the seat and let the anti-slide grip pods hold in place!