This Gel Pack is great to use on its own, or with a strap (sold seperately).
Keep one in the freezer and one in available to heat up.

HOT APPLICATION MAY ASSIST WITH:
Pain relief – applying heat can relieve discomfort in the area of pain e.g. sports injuries
Easing joint stiffness – heat may improve flexibility in your limbs/joints e.g. arthritis
Rapid recovery – heat assists by increasing blood flow, promoting healing of damaged tissue and reducing swelling
Relaxing – heat therapy soothes 
 
COLD APPLICATION MAY ASSIST WITH:
Pain relief – applying cold will numb the painful area and reduce inflammation
Reducing swelling – a cold press may reduce blood flow and stop bleeding
Easing muscle spasm – cold therapy aids in muscle relaxation and recovery after an injury