8-Hour Heat Wrap Neck/Shoulder, 3 ct, QC95790 Sale! This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Compare to Thermacare. Provides temporary relief of minor muscular and joint aches and pains associated with overexertion, strains, sprains and arthritis for wrists, neck, legs and small areas. 8-Hour relief. Long lasting penetrating heat. Ultra-thin, air-activated, single use pad.