The BPL Heating Pad-Large Size is an orthopedic electric heating belt designed for pain relief, featuring plush microfiber material, a washable cotton cover, and a single-button controller with three heat levels. It is designed for use on the back, shoulders, legs, and abdomen to help relieve muscle spasms, joint pain, and discomfort by improving blood circulation. The "Large" size is often referred to as "Extra Large," with an approximate size of 26 x 36 cm.