Lorell Task Chair Antimicrobial Seat Cover, 19" Length x 19" Width, Polyester, Black, 1 Each (LLR00598) EachEasy clean, antimicrobial seat cover helps you create a more hygienic work area. Use on Lorell Horizontal Mesh Back Task Chairs with synchro tilt mechanism. It also may fit other chairs with approximate seat size of 19" wide x 19" deep (all chairs sold separately). Convenient drawstring closure makes it easy to secure onto your seat and remove. Seat cover is made of 100 percent polyester. To clean, machine wash in warm water only with mild detergent.