Blue Jay Slip On Knee Support Open Patella w Stabilizers Sm Hip Chairs Kills Bed Bugs roaches lice Color:Yellow Kills Bed Bugs roaches lice fleas dust mites and other insects * EPA Registered * Deodorizes and controls odor causing organisms on carpets * For use on porous surfaces i * Non marring 6 inch black casters with soft grip tires ideal for both indoor and outdoor use HCPC Code: A4467 * Color: black * Designed to provide excellent support to stiff weak or injured knees * Knitted elastic provides moderate compression * Open patella provides additional support * Medial and lateral stays help stabilize the knee * Size: small (12 14 ) * To size measure around the kneecap