Post-Op Knee ActiveWrap Thermal Supports – Small/Medium – < 16". Constructed of comfortable Active Medical Plush material for best ergonomic fit. Gel packs provide hot or cold therapy. Packs can be removed and uniquely positioned within wraps to provide more targeted treatment and improved compression. Can be used without thermal packs for compression, support and warmth. INDICATIONS: Pain and soft tissue swelling as a result of surgery or trauma. Packaging:1/Each.