Do you seat all day long at office or school? Do you feel tired on your neck and shoulder all the time? This is the most simple and easy to way to alleviate your humpback, shoulder waist pain. It's also the best method to correct your back posture and make a better look breast shape without operation. Features - Color: Black. - Material: Sponge.- S: 60-70CM(Waist); Within 47.5kg(Weight); 32A/B/CD.34A(Bra Cup);- M: 75-80CM(Waist); Within 53kg(Weight); 32D.34B/C/D.36A(Bra Cup);- L: 80-85CM(Waist); Within 62.5kg(Weight); 36B/C/D.38A(Bra Cup);- XL: 85-93CM(Waist); Within 70kg(Weight); 38C/D.40A/B(Bra Cup);- XXL: 93-101CM(Waist); Within 82.5kg(Weight); 42C/D.42A/B(Bra Cup);- Accelerate blood circulation of human body by correcting back posture. - Sweat-absorption and breathable for comfortable wearing all day long. - Adjustable buckles for better fit your body. Provide support for your breast for shaping more sexy chest. - Decrease your shoulder and waist pain caused by seating for a long time. Correct your posture and shape a nice-looking figure. - Suitable for workers, teenagers, housewife and other people who have bad seating walking habits.