Features: Made of good quality materials, soft, breathable, durable and wear-resistant. Ergonomic design, perfect fit your body, comfortable to wear. Combination of back s with to promote bones to heal faster, and relieve pain. It provides posture support and reduces the preure on the upper back, neck, joints, and muscles during physical activity. It can be used to relieve upper and lower back pain from injuries, joint weakne caused by arthritis, sciatica, herniated discs or scoliosis, chronic back pain, and stre on the back and spine, etc. With durable hook & loop and adjustable buckles at shoulders and waist, suitable for teenager, men and women. It can be worn at home, in the office, at work or in yoga. Specification: Material: Lycra + Neoprene + Hook & loop + Color: Black Gender: Uni Optional Size: M, L, XL M Waist Cirference: Approx. 94 cm/ 37.01 inch L Waist Cirference: Approx. 108 cm/ 42.52 inch XL Waist Cirference: Approx. 120 cm/ 47.24 inch Packing List: 1 x Posture Corrector Note: Please don't wear it when asleep.