The Platinum MTR Magnetic Shoulder Brace effectively relieves shoulder pain and inflammation from chronic conditions like arthritis and bursitis. It can help improve joint function and speed up healing from shoulder strains sports injuries and recovery after shoulder surgery. Magnets for shoulder pain relief must be very strong. The magnetic shoulder brace uses two 4 x 4 Platinum magnetic pads. Together they contain a total of 18 maximum strength Advanced Biomagnetics. Each Platinum pad generates extremely powerful magnetic fields that penetrate completely through the shoulder for more effective shoulder pain relief and faster healing. To further optimize the shoulder braces effectiveness the two magnetic pads can be moved to the exact positions where you need them. (e.g. in front behind or above the shoulder; outside the upper arm) They secure in place with Velcro so you can target your shoulder pain from two different directions for faster relief. The Platinum magnetic shoulder brace has adjustable arm and chest straps for comfortable fit and light compression. Maximum strength Advanced Biomagnetics for severe shoulder pain relief. Helps restore shoulder flexibility and reduce inflammation. Light compression without restricting shoulder movement. Controls body warmth to increase blood flow for sore shoulders. All day breathable comfort prevents overheating. Adjustable for proper fit. Pumps out heat and sweat. Pulls in cooler drier air. Provides all-day comfort. Great for sports and exercise. Supports joints and muscles. Weather-proof for outdoor use. Soft skin comfort. Magnet Size: 3/4 diameter - 1/4 thick. Maximum Penetration Depth: 13-1/2. Effective Penetration Depth: 7-1/2. Support Material: Thermal Reactive (breathable neoprene). Inside Fabric: Super-Plush (soft non-irritating). Additional: Adjustable fit (upper arm) Adjustable fit (acr