Ortho-Pubis Seat Saver Jump Drilex 20mm - BlackThe Acavallo Ortho Coccyx Classic Gel 20mm thickness Jump seat saver with seat saver with Dri Lex, combines the non slip and shock proof properties of the Classic Gel Acavallo models with a hollow in the rear to reduce the pressure in the area around the coccyx bones, providing a more balanced weight distribution and therefore a more comfortable and safe seat. Acavallo Gel Features Shock absorbing Stabilize the saddle Relieve pressure Close contact