kozy collar microwavable heating mittens for hand and fingers to relieve arthritis, pains and soreness – natural, safe and reusable ... (small - medium, purple) kozy collar non-scented kozy mittens by kozy collar are channeled top and bottom providing moist heat or cold to the entire hand and up to the wrist .the kozy mittens warmed from the microwave will help relieve the pain associated with rheumatoid arthritis, reynolds syndrome, relax stiff muscles, aid with circulation and flexibility. as an ice pack the mittens will help reduce swelling and ease pain.