Results show ThermaCare heatwraps for lower back/hips, neck/shoulder/wrist, and menstrual pain, plus a multi-piece pain-relief bundle and a nonslip vinyl bath mat pictured alongside them.

Durations vary by product: many wraps are advertised as providing up to 16 hours of relief (product copy often describes roughly 8 hours of active heat while worn plus additional warmth afterward), menstrual wraps are described as up to 8 hours, and one review reported a wrap maintaining heat for 12+ hours. Actual times can vary by product and use.

Most ThermaCare wraps shown are single-use, air-activated and cordless — they don’t require batteries or an outlet and are designed to be portable.

Peel away the paper to expose the adhesive, place the adhesive side against your underwear below the belly button (do not apply directly to skin), and press firmly to attach.

The menstrual heatwrap is specifically noted as HSA/FSA eligible in the product description.