Units:1.00 count Features: Product Name: Self-Heating Pad for Shoulder Material: OK Fabric Size: M: suitable for people with a waist of 60-80cm and a height of 135-160cm. XL: suitable for people with a waist of 85-100cm and a height of 170-185cm. Color: Black Package Included: self-heating pad*1 Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow 0-1/2 inch difference due to manual measurement. It is recommended to wear a thin piece of clothing before using it. About this item Premium Material: The self-heating pad is made of high quality OK fabric, which is soft and comfortable, no pilling and no shedding. The fabric is flat, breathable, and not stuffy, it will not rub against the skin and can be used for quite a long time Size: Available in two size. M and XL. The size of M is suitable for people with a waist of 60-80cm and a height of 135-160cm. The size of XL is suitable for people with a waist of 85-100cm and a height of 170-185cm. It is suitable for both men and women and can be used by children and adults alike Quick Warm Up: A dense array of heat-generating dot patches spread evenly over the shoulder pads, allowing your entire shoulder to be heated evenly. It is not recommended to use it directly on the skin because of the rapid heating effect, so it is recommended to wear a thin piece of clothing before using it Pain Relief: The heated shoulder pads not only provide basic warmth, but also relieve shoulder pain. The continuous heat locking warmth gives a boost to blood circulation in the body, revitalising blockages, stretching your stiff muscles, relaxing the body and also providing effective pain relief Wide Application: It is suitable for the elderly and young people with shoulder and neck problems; for office workers who are often sedentary; for people who often look down at their cell phones, etc. It can unblock the shoulder and relax the body; it can promote eating in the shoulder and blood detoxification; it can promote sleep and improve sleep quality Premium Material: The self-heating pad is made of high quality OK fabric, which is soft and comfortable, no pilling and no shedding. The fabric is flat, breathable, and not stuffy, it will not rub against the skin and can be used for quite a long time Size: Available in two size. M and XL. The size of M is suitable for people with a waist of 60-80cm and a height of 135-160cm. The size of XL is suitable for people with a waist of 85-100cm and a height of 170-185cm. It is suitable for both men and women and can be used by children and adults alike Quick Warm Up: A dense array of heat-generating dot patches spread evenly over the shoulder pads, allowing your entire shoulder to be heated evenly. It is not recommended to use it directly on the skin because of the rapid heating effect, so it is recommended to wear a thin piece of clothing before using it Pain Relief: The heated shoulder pads not only provide basic warmth, but also relieve shoulder pain. The continuous heat locking warmth gives a boost to blood circulation in the body, revitalising blockages, stretching your stiff muscles, relaxing the body and also providing effective pain relief Wide Application: It is suitable for the elderly and young people with shoulder and neck problems; for office workers who are often sedentary; for people who often look down at their cell phones, etc. It can unblock the shoulder and relax the body; it can promote eating in the shoulder and blood detoxification; it can promote sleep and improve sleep quality