Features: Self-heating pad designed for the shoulder High elastic belt, good elastic, wear comfortable, paste and firm, changeless form Can effectively improve blood circulation, promote metabolism, and clear the meridians, enhance immunity Applicable to bone hyperplasia, shoulder pain, joint pain and other symptoms of hyperthermia therapy Easy to use, discreet and can be used anywhere any time Safe & comfortable to wear Outer layer: Ultra soft self-adhesive cloth, easy to take on/off (Can adjust the size) Material: Polyester +　Tourmaline Size: 69*44.5cm , suitable for 38CM-46CM Shoulder Weight: app 70g 1-2 hours per day is recommended Note: If the body part appears redness, fever, hyperthermia, it is a normal phenomenon, With time, heat intense will become weak and the heating time will get longer Pregnant women, kids and those who suffer hypertension, heart troubles, weak wisdom, disability to self manage the life Do not use the product in sensitive parts such as eyes Please allow 1-3cm error due to manual measurement. And due to the light and screen difference, the item's color may be slightly different from the pictures. Please kindly understand. Make sure you don't mind before you order. Package included: 1Pcs * Tourmaline self-heating Shoulder Support Massager(no retail box)