The first picture is a product picture, the other pictures are sample displays Note: The actual packaging box may be different from the one shown in the picture New Posture Corrector Spine Back Shoulder Support Corrector Band Adjustable Brace Correction Humpback Back Pain Relief 1.Wear it at any time doing housework, shopping working watching tv as ect. 2.Update Y shape corrector strip can help you get a perfect back posture 3.When you go out with our corrector you can be more confident, healthy and young. 4.Use light breathable comfortable material. Feature: Easily get perfect confident posture - start standing, sitting much straighter. Align your shoulders, spine and upper back. Improve posture & reduce slouching immediately with easily adjustable dual strap design. Lightweight padded neoprene corrector can be worn comfortably under or over clothing. Eliminates neck and back discomfort from sitting with rounded shoulders in front of the computer. Wear all day to retrain your posture- it's nearly invisible when worn under a shirt. Size: XS: weight: 20-40KG    Chest: 50-70cm S:     weight: 40-60KG    Chest: 70-85cm M:    weight: 60-85KG    Chest: 80-95cm L:     weight: 85-90KG     chest 95-110cm XL:  weight: 90-110KG  chest 105-120cm