Hot Water Bag is FSA Eligible because it is used as a remedy for aches or pains caused by physical activities. You can also put cold water in it and use it as cold compress for fever or to reduce swelling of minor injuries.
Fact: Did you know that the earliest recorded type of hot water bottle was the bed warmer? Going back to the 16th century these where filled with embers from the fire and placed into a metal pan with a lid over the top to protect against sparks leaping out and setting the bedding on fire.
FSA Eligible Product: