ERGONOMICALLY: Ultra-thin, discrete design to seamlessly fit under your clothing to help you get through the day and night. The medical nonwoven compress treats your skin to pure softness. Velcro and the elastic band can fit most people(the length can be up to 1.5meters/59in), this is a a-size-fits heating pad for young and old, women and men. Individually wrapped to fit your lifestyle, take the pain relief patches into your backpack anywhere and use it anytime you want.NATURAL HARMLESS MOIST HEAT THERAPY FOR BACK PAIN RELIEF — Do your back pain make you difficult on everyday tasks like working out, doing sports, walking, or even doing houseworks? Our natural herbal heated lower back wrap is designed to provide you with deep, penetrating hot therapy benefits for maximum relief from aches, muscle spasms, chronic pain, and stress that your body builds up on a daily basis. Heated pads for waist also have a good soothing effect on the waist pain of the elderlyMORE FUNCTIONS & KEEP WARM FOR 5 HOURS: The pain relief patches is a multipurpose wrap that can fit most body parts, including the back, waist, hips, and abdomen. Needn't warm in the microwave to enjoy moist, penetrating heat therapy benefits. Just open the package and wear it, it will auto-heating in a moment and then you can relax with pain relief patches. This will keep warm at least for 5 hours and the temperature around 104-160°F.IDEAL GIFT FOR WOMEN & MEN: Women monthly period wearable heating pad is a perfect gift for females, which can help all girls or women get rid of pain in the uterus or waist, and abdomen. You can give it to yourself, your friends, your elders, or your partner. It is also an ideal gift with the back pain relief product for males. Waist care saves the sub-health, the steam self-heating patch quickly adjusts to relieve physical fatigue, and the waist warming patch cares for the waist of men.NATURAL & HARMLESS——USE MORE REST ASSURED: This heating pad for cramps adopts natural plant powder: wormwood, cinnamon, Ligusticum Wallichii, ginger, and motherwort, which can relax the mind, relieve muscle fatigue, relieve pain, and strengthen the body when you keep using it. P.S.:wormwood has a strong aroma, once heated, the aroma will be stronger, this is a normal phenomenon, please understand, thank you.