High Quality Fabrics: The durable, soft, and breathable flexible fabric keeps the legs cool and comfortable, and fits the shape of the legs to provide better support. Uses: Can be used for knee sprains, knee dislocations, postoperative recovery, and other mild to severe knee and leg injuries. Four Adjustable Straps: Four alternately adjustable straps to adjust the fit and the level of compression and support required 4 Steel Plate Brackets: The knee immobilizer is equipped with 4 steel plate brackets to keep the legs and knees in a protected straight position. Strong Comfortable Support: Can provide effective fixation and strong comfortable support, thereby speeding up recovery in a safe and comfortable way Item Type: Knee Immobilizer Product Material: Composite Cloth + Sponge + Steel Plate Product Size: (Manual Measurement Has an Error of 1-3cm) S Size: Approx. 53 x 53 x 39cm / 20.9 x 20.9 x 15.4in M size: approx. 56x56x41cm/22.0X22.0x16.1in L size: approx. 60x59x44cm/23.6x23.2 X 17.3in 1 x Knee Immobilizer