Cura heat arthritis pain for knee is a self heating system which stays in place over the knee area delivering deep comforting heat for up to 8 hours to provide targeted temporary relief to arthritis pain no need for preparation just open the sachet and insert the heat pack into the wrap pockets the comforting heat can help relieve the pain and aches associated with arthritis in the joint area by increasing blood circulation non medicinal portable and discreet cura heat arthritis pain c