Unique size fit on our saddle stool 510 only. Keep your saddle stool looking and feeling brand new by guarding against dirt, light spills, and normal wear and tear. The breathable jacquard fabric keeps light spills out and lets air in, so your stool seat stays cool, clean, and comfortable for longer. Designed with an elastic 360-degree grip, it perfectly hugs your saddle stool. Machine washable. Tumble dry low. No ironing is needed. DR.LOMILOMI Exclusive.