▶The extra-large Size：The middle part of the heating pad is a 12 x 24 inch pad, and the sides are extended. The total length of the heating pad is 55" x 12", which is suitable for people of most sizes. This electric heating pad can cover shoulders, back, neck, legs, knees, arms, etc., and keep warm in cold winter▶Heart-warming Design:This heating pad is designed with a detachable zipper, and a strong adhesive waistband to keep the heating pad tightly around your waist. It can be changed freely, you can use it as a period belt or a normal heating pad. You can enjoy it while reading, working or resting without worrying about it falling▶6 Heat Settings & Auto Shut-Off:This electric heating pad has 6 heating settings, the temperature ranges from 40℃ to 60℃ (104℉-140℉), you can adjust the temperature that is most suitable for you. 4 timer modes, from 30 minutes to 120 minutes, and this heating pad will automatically turn off▶Various Ways of Use:Period heating pad with adjustable buckle, freeing your hands. Effectively relieve menstrual abdominal pain, low back pain, leg cramps, waist, shoulder, neck muscle pain, and help promote blood circulation. You can rest at home and use it at work in the office▶Soft Fabric:The back pain relief heating pad part is made of comfortable fabric, which is kind to the skin. Can be given as a gift to your loved ones and used with your loved ones