⚠ We apologize for the inconvenience, but please read the profile before purchasing m(_ _)m ⚠ Reference price on a major e-commerce site: 1399 yen Size: XS ※ Please check the size in image 6. 【T-shaped shoulder strap method】 It firmly secures the arm to the body, preventing secondary injuries caused by the child's arm movements. At the same time, it effectively distributes the pressure on the child's neck and shoulders, and does not impede blood flow. 【Lightweight and breathable cotton fabric】 Made of lightweight, breathable, and comfortable cotton fabric, it quickly absorbs sweat from the skin, keeps the affected area dry, and reduces skin irritation. 【High wearing flexibility】 It uses a touch fastener design that is easy to put on and take off, and adjust, and can be switched to either the left or right arm. In addition, the thumb ring design helps maintain arm balance, reduces shaking and compression, and supports the early recovery of the injured arm. 【Provides effective arm support】 The children's arm sling is ergonomically designed to provide perfect fixation and protection for injuries such as shoulder muscle and tendon pain, shoulder joint instability, dislocations, sprains, bruises, rotator cuff surgery, and acromioclavicular joint injuries. It provides effective support to protect health. 【Unisex】 Our adjustable arm support sling is suitable for both boys and girls, and for either arm. Although it is a new, unopened item, it has been stored at home, so please refrain from purchasing if you are concerned about minor details m(_ _)m