What is the Advanced Stabilising Open Knee Ligament Support & reusable hot heat / ice cold gel pack? The Physio Room advanced stabilising open knee ligament support is a very comfortable hinge-free knee brace that provides support for cartilage injuries, mild arthritis & collateral knee ligament injuries. The reusable hot / cold gel pack is a versatile, mouldable gel pack that can be used as a therapeutic pack for your knee injury. When can I use the Advanced Stabilising Open Knee Ligament Support & reusable hot heat / ice cold gel pack? The advanced stabilising open knee ligament support is ideal for improving knee stability following medial (inside) or lateral (outside) knee ligament injuries. The knee support can also be used in all competitive sports such as football. The hot / cold gel pack can be used as an ice pack during the early stages of a knee injury to help reduce pain, swelling & bleeding in the tissues. Use the heat pack later to help the healing process by increasing blood flow & to promote relaxation. How does the Advanced Stabilising Open Knee Ligament Support & reusable hot heat / ice cold gel pack work? The Physio Room advanced stabilising open knee ligament support is made from multi-directional stretch neoprene which provides excellent levels of comfort & support. Two lateral & medial flexible steel springs offer support to the knee joint, while the stabilising upper Velcro straps provide a customised fit for a secure fit & comfort. An extra-soft patella pad protects & stabilises the knee cap, helping to prevent displacement, while the open patella gives ventilation & relieves pressure on the knee cap itself. The hot / cold pack contains soft gel that conducts heat or cold, to use place in the fridge or freezer & it will remain cold, or warm in hot water (or microwave oven) in order to use it as a hot pack. The gel pack measures 12x 12cm (5x 10"). Which size do I need? Fits left or right knee. Measure around the middle of the knee joint. If measurements indicate two different sizes, then choose the larger size. Small: 31cm-39cm Medium: 39cm-42cm Large: 42cm-45cm Extra Large: 45cm-48cm Extra Extra Large: 48cm-51cm