Thank you for viewing. 【Manufacturer's Website】 Free size allows for adjustment regardless of weight fluctuations or changes in size when worn over clothing. 【Posture Correction Support】 Naturally makes you aware of proper posture, opening the shoulders and guiding you to the correct posture. 【Supports Improvement of Symptoms Caused by Poor Posture】 Provides support to improve discomfort caused by poor posture, such as stiff shoulders, lower back pain, decreased metabolism and muscle strength, and headaches due to nerve compression, simply by wearing it. 【Structural Design and Material Composition】 The front belt can be tightened simply by pulling it, making it easy to put on even for those with stiff bodies. It's easy to use continuously, and breathable materials are used for comfortable wear. This item supports slouching and other issues, making it easier to be aware of correct posture. Recommended for those who do a lot of desk work or tend to have poor posture. Helps to make correct posture a habit. Improves conditions like straight neck and smartphone neck. Materials: Neoprene, nylon, polyester, polyvinyl chloride I used it carefully, so there are no scratches or stains, but it is not new, so please refrain from purchasing if you are concerned. - Brand: IWAMA HOSEI - Color: Black - Type: Kyphosis Correction Belt - Material: Mesh material