S-- Waist circumference: 70-90 cm / 27.5-35.4 inch
M-- Waist circumference: 80-100 cm / 31.5-39.3 inch
L-- Waist circumference: 90-110 cm / 35.4-43.3 inch
XL-- Waist circumference: 100-120 cm / 39.3-47.2 inch
XXL-- Waist circumference: 110-130 cm / 43.3-51.2 inch
Standing in a relaxed position, measure waist at the level of navel (belly button). Do not assume you know your size. Do not select by pants size.

Product features:
1. Magnet care
2. Broad shoulder and back
3. Improvement of waist and shoulder discomfort
4. Orthotics
5. Improved diagonal shoulder

6. Removable support strip 

About this item
1. FORGET ABOUT PAIN - Magnetic Therapy Back Brace gives you immediate & lasting relief from a herniated disc, sciatica, back pain, sore muscles and other back conditions. Wear it when you walk, bend or stretch. Enjoy the freedom of movement!
2. SUFFICIENT SUPPORT FOR THE BACK - Lower back brace features four-firm support stays that keep everything in place, giving you sufficient support in the lower back areas you need it most. These stays hold in place snugly against your back, without adding unnecessary compression or resistance. The brace is designed for multi-purpose use, so it’s easy to work into your daily routine.
3. MAGNETIC THERAPY AND NATURAL SELF HEATING - We build in magnets in our lumbar belt, it creates a strong magnetic field paired with self-heating far infrared tourmaline technology to heat up and sooth aching muscles, tendons and lumbar pain without the use of greasy creams.
4. BE COMFORTABLE AND CONFIDENT AGAIN - Breathable fabrics used in the production of along with its adjustable, perfect fit design makes it comfortable and easy to wear under any clothes. Tired of bulky devices? This back support is the answer.
5. YOU DESERVE THE BEST - This back brace delivers effective pain relief and lumbar support for men and women's back problems caused by sciatica, scoliosis, herniated dis, and more. With our lumbar support belt, now you can finally live a colorful life without worrying about lower back pain.
6. Heating principle: 5 magnets: covering a wide range of magnets, effectively targeting human acupoints for magnetic therapy.

When the human body temperature is stimulated, the heat-sensitive material reacts immediately to release heat, strengthens acupuncture and hot compress stimulation at the key points of the human body, effectively activates the human acupoints, thereby producing the meridian effect; at the same time, it can continuously release the far-infrared which is beneficial to the human body With negative ions, it can effectively improve the microcirculation of the human body, promote cell metabolism, dredge the meridians, relieve pain and cold, expel wind and dampness, and enhance the body's disease resistance. 

Packing List
1 Piece * Waist Support Belt