Ossur® Rebound® Knee Immobilizer, One Size Fits Most, 18-Inch Length, Sold As 1/Each Ossur 210018 Adjustable Medial/Lateral Stays And Rigid Posterior Stays Provide Motion Restriction Of The Knee Universal Three-Piece Design Simplifies Inventory Needs Mr* Conditional, Meaning Mri Technicians Can Safely Scan Patients In An Mr System While Maintaining Immobilization For Thighs From 10.25 To 26.5 Inches In Circumference 18-Inch Length Knee Immobilizer, Rebound Univ18" Knee Immobilizer Ossur® Rebound® One Size Fits Most 10-1/4 To 26-1/2 Inch Thigh Circumference 18 Inch Length Left Or Right Knee Ossur® Rebound®Sku: Mck-1190274_Ea Mfgr Sku: 2100181190274_EaShips In 14-21 Days