How many many are in a box? The description states 6 but the product images states 3.

Hello - there are 6 wraps total. There are two boxes with 3 wraps each.

Okay I know the adhesive goes against your undergarments, but does it go inside your undergarment directly on the skin or the outside?

It's meant to go directly on your skin. It's underwear, then adhesive, with the heated side of pad directly on your skin. I don't find it to be too hot unless I wear it for over 8 hours, which I'm pretty sure it says not to do. Otherwise these are GREAT. Heat works so much better then pain relievers for me.

Are these TSA approved to carry on flights?

Yes. I've traveled a lot and tsa does not restrict these. Just be smart and put one on after you go through the heat sensor machine not before. Like you want to tell a third of the area your cycle is going if they question it.

I don't know about reusable but it lasts super long. All day, just about.

ThermaCare Portable Heating Pad, Period Pain Relief Patches, Discreet Heat Wrap (6 Patches)

ThermaCare Portable Heating Pad, Period Pain Relief Patches, Discreet Heat Wrap (6 Patches)

Product ID: 435524210

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Details

Age Range (Description)
Adult
Brand
ThermaCare
Colour
White
Item dimensions L x W x H
25.5 x 20.7 x
Material
Cotton
Net Quantity
1.00 Count

👗ultra-thin & discreet

🔥8 hrs deep heat

🩹patented heat cells

Description

🔥 Feel the heat, not the pain—period relief that moves with you!

INVISIBLE UNDERNEATH - Ultra-thin, flexible design stays discreet under any outfit—comfort and confidence on the go.
ALL DAY COMFORT NO MEDS - Up to 8 hours of drug-free, targeted heat relief that fits your busy lifestyle.
EFFORTLESS ANYTIME RELIEF - Simply stick on below the belly button and feel soothing warmth wherever you are—no cords or batteries needed.
DEEP PENETRATING HEAT TECH - Patented air-activated heat cells deliver therapeutic warmth that relaxes muscles and eases cramps fast.
CLINICALLY PROVEN PAIN EASE - Trusted by thousands for effective menstrual cramp and lower back pain relief with enhanced blood flow.

ThermaCare Portable Heating Pad offers up to 8 hours of drug-free, deep-penetrating heat therapy using patented air-activated heat cells. Designed for discreet, comfortable wear under clothing, these ultra-thin patches target menstrual cramps and lower back pain by increasing blood flow and relaxing muscles. Clinically proven and odor-free, each pack contains 6 lightweight, single-use patches for on-the-go relief.

Reviews

A**E

Long lasting relief

20.02.2026

A**R

Lifesavers; don’t skimp on generic heat packs

8.03.2026

C**Z

Perfect for Long Days and Travel

11.03.2026

S**Y

Effective

22.01.2026

J**A

Great for when you’re out and about

16.01.2026

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