1---Comfort, firmness and ergonomics: Made from cotton, it offers a special softness to the skin, combined with a great firmness that favours its use. The fabric is designed with perforations that make it lightweight and breathable. This one-size-fits-all posture corrector has adjustable straps and adapts to the size of each person, so it can be used by the whole family. You can also choose your preferred degree of firmness and tension on your shoulders at any time. 2---Posture correction: When you quickly straighten your shoulders and back for good posture. It prevents you from slouching and adopting poor posture. What's more, when used for a continuous period, it creates muscle memory, which means you'll maintain good posture even without the corrector. This is the aim of the posture corrector. 3---Relief of back pain: Using the back brace not only improves your sitting/standing posture, but also aligns your spine and reduces back, shoulder, neck and waist pain caused by poor posture. 4---Discreet and easy to use: Prest it like a waistcoat or backpack, then adjust the straps to get the right tension. You don't need any help to wear it. Start by wearing it for short periods of 20 to 30 minutes for the first few weeks, then increase the duration and tension over the following weeks. It is not recommended to wear it for periods longer than 2 hours continuously. For best results, intersperse periods of rest. 5---All occasions: Use it at the gym or with your favourite sport, during your working day or at any time of the day. With its help, you'll achieve better natural alignment of the spine and shoulders, promoting muscle memory in the area to achieve correct posture, a straight back and release muscle tension in the neck and shoulders. Maintain good postural habits and avoid injury with the back posture corrector for women and men. Note: 1.Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 1135 hours Hope you have a pleasant shopping experience!