ProStyle Hinged Knee Support Small 13 14 Lumbar Cushions s proprietary Size Guide marking MSHQ 1594XL s proprietary Size Guide marking system prevents mis cuffing * Quick release luer slip connector * Complete with leatherette carrying case with self repairing nylon zipper * Assembled inspected and packaged in the U 50 YARD DISPENSER BOX * XXX Heavy Silver * A special system of progressive resistance * Can be used for both the upper and lower body muscles * Approved for use by the APTA * Designed to give you the comfort of an elastic support with the therapeutic properties of heat without the perspiration associated with neoprene * ProStyle retains heat to help keep muscle loose * Offers treatment for ACL LCL MCL PCL sprains * Recommened for swollen or tender knees resulting from: sprains strains sports injuries or post operative rehab * Offers treatment for Osgood Schlatter Disease as well as patellar instability * HCPC Code L1810