Do you sit in front of a computer for hours or do you have discomfort and soreness in your back and shoulders? Our upgraded 2 in 1 posture corrector with better stretching effect, your shoulders, waist and legs can be stretched at the same time. Wear the posture corrector to help you develop a straight back and strengthen your shoulders, neck and back, create good posture, ameliorate the pain in the neck, shoulder, upper back and change the bad habits of slouching now. Features - Color: Black. - Material: Lycra, aluminum and polyester. - Size M: 160-170cm/63-67in (Suitable Height); 105-135g/0.23-0.3lbs (Weight Range); - This posture corrector can balance the pressure on the shoulders, back, waist and abdomen, relieve muscle fatigue, protect your waist and back, and keep your body in the best condition. - Effectively avoid the non-disease sensitive chest hunchback and spine twists, correct the bad posture of adolescents or adults under dynamic and static conditions, so as to help them maintain correct sitting, standing or walking posture with this posture corrector. - Suitable for those people who is suffered from back muscle fatigue, sore shoulders caused by standing, sitting or maintaining the same posture for a long time.