Wonder Pax Neck and Shoulder Reusable Cool/Warm Gel Pack BRAND NEW IN BOX. 

Retails for $99.00 ~ great deal ~ Just in time for the holidays!!

If you have never used one of these, you are missing out! Stays hot for up to 2 hours. They are wonderful for relieving muscle aches and very relaxing. Perfect for athletes or anyone with sore muscles. The best part is they are reusable.

Review photos (zoom in) for a great description from the manufacturer of how these reusable packs go from cool to warm. or go to the Wonder Pax website.