1. Shoulder joint support and pain relief: The shoulder bandage can provide support for the shoulders and relieve shoulder joint pain, as well as help prevent injuries and dislocations during exercise. 2. Breathable neoprene material: This is a soft, breathable, and lightweight neoprene blend with multiple ventilation holes and a good airflow design. The material is safe and harmless. Whether worn inside or outside clothes during outdoor activities, this shoulder support belt can keep the body cool and comfortable. 3. Adjustable size: It uses adjustable Velcro fasteners to allow you to obtain a relatively high degree of freedom of movement and comfort. The applicable range of arm circumference is from 9.8 inches to 16.5 inches, and the applicable range of chest circumference is from 31 inches to 42.5 inches. Please measure the chest circumference from the armpit. This size is suitable for many people. 4. Enhanced sports protection: This well - made shoulder protector can provide protection against various types of strains, sprains, muscle soreness, shoulder dislocations, or shoulder instability. It is suitable for protecting against sports injuries in badminton, basketball, weightlifting, tennis, and volleyball.