MOST COMFORTABLE ROWING MACHINE PAD: Perfectly fits the concept 2 rowing machine. Works great with Model D, Model E, Stationary Recumbent Bike, WaterRower, and Hydrow. Simply put the cushion on the seat and buckle the straps! HIGHEST QUALITY CUSTOM MEMORY FOAM: This Concept 2 seat cushion has 3 inches of CUSTOM memory foam with the PERFECT DENSITY for maximum tailbone comfort even after hours of exercise. SUPER NON-SLIP SURFACE WITH STRAPS: This rower seat pad has a high friction rubberized material that prevents the seat cushion from slipping off of the seat while rowing. This rowing pad also has two STRETCH STRAPS AND BUCKLE around the seat. MACHINE WASHABLE COVER WITH HIGH QUALITY ZIPPER: The breathable mesh fabric cover on this concept 2 seat pad comes off easily and keeps the cushion clean after every use. The cover is black to prevent sweat stains. DESIGNED BY DIVISION 1 COLLEGE ROWER who competed in the National Championships and won Eastern Sprints. I create the highest quality concept 2 rower accessories for all rowing levels. OUR MISSION IS TO EXPAND THE AWESOME SPORT OF ROWING!!