1. Shoulder pain rehabilitation: The shoulder support belt can play a protective role. It may promote blood circulation and relieve shoulder pain, including scapulohumeral periarthritis, shoulder joint dislocation, rheumatic pain, muscle or ligament tears, etc. For surgical injuries, the shoulder support belt can provide support and help stabilize the arm and shoulder. 2. Adjustability: This tendonitis shoulder support belt is equipped with Velcro, which can be adjusted according to the user's body shape and size and is not prone to shifting. Our shoulder support belt is easy to wear. Just untie the strap, put your arm into the support belt, then pass the strap around the back and under the chest, and finally stick it on. It can be worn either inside or outside the clothes. 3. Breathable neoprene material: Our product is made of neoprene, which is breathable, lightweight, clean and odor - free. The sewing process makes the product relatively durable. There are ventilation holes inside the shoulder strap, which can promote blood circulation while being breathable. It is suitable for an arm circumference of 9.8 inches - 16.5 inches and a chest circumference of 31 inches - 42.5 inches. Please measure the chest circumference from the armpit. 4. Easy to clean: This fabric can be machine - washed. We suggest washing it in cold water and using products with a low detergent content. After washing, lay it out flat to maintain the shape of the shoulder support belt. Let it air - dry naturally to keep its shape. Avoid using a dryer to prevent potential damage to the shoulder protector. Please note that this shoulder support belt may have a slight neoprene odor at first. 5. Warm reminder: The Chlffua shoulder protector can wrap the shoulder in cold weather, has certain thermal insulation performance, and is skin - friendly and comfortable.