OverHalfSale has this 5 Pack of Handi Heat Adhesive Therapeautic Body Warmers for only $5 with FREE SHIPPING. These soothing adhesive warmers are easy to use and odorless. Each patch is 3.5″x3.5″ and contains natural ingredients of iron powder, water, salt, activated charcoal and vermiculite which react together when exposed to air to produce long-lasting warmth.