Relief Pak heating unit, 12-pack mobile with (12) Heat PacksFabrication Enterprises Relief Pak 12 Pack Heating Units make your heat therapy packs more accessible, more often, and a lot safer than comparable available heating units on the market. Specifically made with moist heating packs in mind, the 12 pack insulation unit has an insulated inside heating area, warming only the inside contents. Meanwhile on the outside, the Relief Pak remains cool to the touch, allowing it to be touched without the risk of the