United Ortho 61018, 3-Panel Knee Immobilizer, 18″ SizeCondition:* New Surplus Stock, No OEM Packaging. As Pictured.Additional Notes:* Designed for Both Right and Left Leg. 18″ Brace has 4 Adjustable Straps* Used for knee and leg immobilization for a variety of injuries and post operatively* Lightweight rigid posterior Stays with adjustable Medial/lateral stays* Fully removable side panels can be adjusted for proper individualized fit* Universal circumference fits up to 29″United Ortho 61018