Our back posture corrector, adopting breathable and soft neoprene fabric materials, ergonomic tailor-process and precise stitches, can effectively improve posture through pull, stretch and support your upper body aligning with upper back, spine and lumbar to limit forward shoulder movements and restrict slouch and bending of the spine, and meantime, relieve pains of back and shoulder caused by long sitting for work or study or injury. Additionally, it owns 7 sizes (S/M/L/XL/XXL/3XL/4XL) to fit male, female, adults and teenagers.*POSTURE CORRECTION - Our back posture corrector with lumbar support belt can pull, stretch and support your upper body aligning with upper back, spine and lumbar to limit forward shoulder movements and restrict slouch and bending of the spine to improve posture. *BACK PAIN ALLEVIATION - Pains of back and shoulder caused by long sitting for work or study or injury can be relieved by wearing our posture correctors while improving your sitting posture. *BREATHABLE & COMFORTABLE FABRIC - Adopting high-grade neoprene fabric material, ergonomic tailor-process and precise stitches, our back posture corrector is breathable, soft, comfortable, elastic, lightweight and durable. *ADJUSTABLE STRAPS FOR UNIVERSAL FITS - The 3.94inches wide waist belt and 2.36inches wide shoulder straps are elastic and adjustable for comfortable and snugly-fit wearing experience and can be secured by the strong hook and loop fasteners. And it owns 7 sizes (S/M/L/XL/XXL/3XL/4XL) to fit male, female, adults and teenagers. *EASY TO WEAR - You can wear our back posture corrector in a few minutes. Firstly, cross the two shoulder straps through the fixed point. Secondly, put on the back posture corrector and fasten the waist band. Thirdly, Adjust the shoulder straps and pull them to attach the fasten tape on the waist belt. Product Type - Back Posture CorrectorMaterial - Neoprene Fabric Mesh Plate Hook and LoopSize Available - S/M/L/XL/XXL/3XL/4XLItem Color - BlackItem Size - As the Picture ShowItem Weight - 187g/0.412lbs (S), 188g/0.414lbs (M), 189g/0.417lbs(L), 195g/0.43lbs(XL), 197g/0.434(XXL), 198g/0.437lbs(3XL), 200g/0.441lbs(4XL)Packaging Size - 45cm x 18cm x 5.5cm/17.72in x 7.09in x 2.17in (L x W x H)Packaging Weight - 192g/0.423lbs (S), 193g/0.425lbs (M), 194g/0.428lbs (L), 200g/0.441lbs (XL), 202g/0.445lbs (XXL), 203g/0.448lbs (3XL), 205g/0.452lbs (4XL)1 x Back Posture Corrector