1Hemming design, fine workmanship, exquisite and wearresistant, durable and long lasting use. 2Pliable and soft support waist to reduce waist pressure and relax waist muscles. 3Soft fabric, wearable in all seasons, breathable and more beautiful. 4Fixed leather and won't fall off after repeated pulling, and service life is longer. 5Only takes 2 hours one week and just need 3 weeks to develop good sitting habits and improve posture defects.