Product Description : Aircast Pneumatic Armband: Tennis/Golfers Elbow Support Strap, Black The Aircast Pneumatic Armband contains a single pre-inflated air cell that concentrates compression directly on the extensor muscle, delivering instant relief that doesnt restrict your movement The Aircast Pneumatic Armband provides immediate relief for those suffering from acute and chronic injuries affecting the elbow, wrist, forearm, and epicondylitis, which is commonly known as tennis or golfers elbow The contoured fit coupled with an air cell and soft foam lining make this pneumatic armband ideal for all-day use Its versatile for use during both athletic and occupational activities Universal fit allows the Aircast Pneumatic Armband to be worn on either the left or the right arm One size fits mostManufacturer contact InformationAircast Pneumatic Armband: Tennisgolfers Elbow Support Strap, Black California Prop 65 Warning : This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information visit to the website.