The TheraPearl Knee Wrap with Strap is a versatile therapeutic device that provides both hot and cold therapy for knee pain and injuries. This flexible wrap contains special pearl technology beads that maintain consistent temperatures and conform to the knee area for optimal treatment coverage. Key features: • Dual hot/cold therapy functionality • Adjustable strap for secure fit • Flexible pearl technology beads • Reusable and freezer/microwave safe • Contoured design for knee coverage • Easy to clean and maintain The wrap can be chilled in the freezer for cold therapy or heated in the microwave for warm therapy. The adjustable strap ensures the wrap stays in place during use. The unique pearl technology helps maintain therapeutic temperatures longer than traditional ice packs or heating pads while remaining flexible enough to conform to the knee joint. This product is latex-free and non-toxic. For cold therapy, freeze for about 2 hours; for heat therapy, microwave in short intervals following package instructions.