Specifications: Correct back posture, lift your chest and raise your heads, straight your waist, shape your body. Relieve stiff muscle, and prevent pull strain during exercise. Suitable for children, students, adults, workers, etc. Breathable, keep dry and comfortable. Promote blood circulation. Unhealthy sitting posture, which may lead to neck fatigue, shoulder tension, even headache, humpback and muscle spasm, it can help you get rid of these problems. Using 2 hours everyday, build good habits and enjoy healthy life. Item Name: Posture Corrector Belt Material: Neoprene Features: Breathable, Easy to Use, Adjustable, Comfortable, Durable Suitable Bust: 70cm - 120cm/27.56" - 47.24" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Posture Corrector Belt