Product Package content: 1 * correction tape 1. PAIN AND FATIGUE RELIEVING POSTURE CORRECTION: Posture trainer helps with neck, shoulder and back pain and fatigue. Correct poor posture, sitting, standing, walking, etc., and develop good habits. A physiological curve that helps maintain the normal spine and protects the spine. Helps maintain a reasonable eye distance, prevent nearsightedness, and relieve eye strain 2. IMPROVE TEMPERAMENT AND CONFIDENTIALITY: With our back support posture correction you can train your muscles to stretch backwards, decompress the spine and restore natural alignment, correct the hump, high and low shoulders and lean Forward. Helps you develop a straight back, strengthen your shoulders, neck and back for a glamorous look 3. SHOULDER WAIST AND BACK SUPPORT: Back support with Y-shaped design principle. The shoulder straps are stretched on both sides, the belt supports the waist and several forces to make the shoulders and waist stretch backwards. The aluminum memory bar provides additional support, adapts to the lumbar spine and supports the back, helping to reduce the load on the spine and muscles 4. EASY TO USE AND COMFORTABLE MATERIAL: Posture corrector made of lightweight and breathable neoprene material so you stay in the right position and stay cool. Soft and flexible, comfortable to wear and wont cut your arm. Washable and reusable. Insist on using yourself on 2 hours a day, and after 4 months you will see a charming and confident demeanor. It can be worn while you rest, work on your computer, and study 5.LIGHT WEIGHT Our posture correction brace is light enough, but it also offers tremendous retraction force for the shoulders. The Y design principle stretches the shoulder straps on both sides and supports the belt to give the shoulders and waist a rearward stretching effect. You can wear this posture support at home, in the office, or anywhere you want.