Chlffua CUSTOMER SERVICE - Chlffua always take customer satisfaction as our top concern. If you have any questions when purchased or received the goods, please feel free to contact us and we are ready to help you with quality online service. So you can purchase confidently. COMFORTABLE & LIGHTWEIGHT - Shoulder brace is made of high-quality neoprene. Elastic, stretchable, breathable and lightweight. Thin material can wear under your clothes by no bulky. Clean and odorless. Shoulder support has vented holes inside to promote blood circulation. ONE-HAND EASY ADJUSTMENT - Chlffua shoulder brace has five adjustable HOOk&LOOP to adjust the chest size, arm size, and add pressure to your shoulder. Our shoulder support suitable for both men and women. And both right and left shoulder is available. Arm circumference: 9.8''-12.2''. Chest circumference: 31" to 39.3" .Measure your chest circumference from the armpit. HOT&COLD TREATMENT - Triangular stable pressurized structure, Increase or decrease pressure according to your needs. It can help tighten or relax muscles when you do exercise. Such as basketball, tennis, golf, weightlifting, etc. Avoiding damage from sports. Pressure pad can store ice or hot water bags(not included), relieve swelling or keep warm. EFFECTIVE SUPPORT FOR PAIN RELIEF - Chlffua Shoulder support can Increase blood flow to relieving the pain caused by shoulder pulls or strains, overuse injuries, strains, and muscles/labrum tear, frozen shoulder, dislocated AC joint pain, soreness, tendinitis, arthritis. For surgical wounds, Shoulder brace can provide supporting and stabilizing effects. Protecting wounds from splitting and speeding up wound recovery.