Its an open box item. Comes with all the pieces necessary to function properly. The 2 pads that are located on the item, both of them are to be located under your armpit once you have the posture corrector in place. Those will bring more comfort from the chafing of the straps. Get the relief you want from this Posture Corrector. 

• RELIEVE PAIN,RECOVER HEALTH AND REGAIN BODY SHAPE! No matter how serious pain you are suffering from back,shoulder or neck,you can relieve them by just wearing this posture corrector like wear a clothes for a period of time and you will surprising found the distinct change for your body.If you have incorrect posture and resulting in a faulty body shape,this posture corrector for men can also help you regain confidence and being more healthy.
• ADJUSTABLE & INVISIBLE DESIGN SUITABLE FOR MOST PEOPLE! Our medical posture brace fit the design for the human body, easy use and long lasting.Adjustable back posture corrector,so the back brace for posture women,men and teen or someone who pursing back straighter were fit.It’s invisible and you can wear this posture corrector for women under your clothes,nobody will find that.CHEST CIRCUMFERENCE:23 "- 45".We will try our best to meet your satisfaction.
• HIGH QUALITY & SOFT & BREATHABLE POSTURE CORRECTOR FOR WOMEN! Not only the comfort because its intimate design you get when you use Clavicle Brace,but also the good mental appearance you shown.By researching the upper back support on the market,we found that most back brace for men and women will hurt armpits,so the material we adopted to be rigorous,fabrics are soft and washable.You don't have to worry about it at all.I believe that more satisfaction you can get by wearing it.
• RESIST SLOUCHING,SLUMPING & REDUCE HUNCHED BACK,KYPHOSIS! Do you have a bad sitting posture? Do you feel sore shoulders and backache after long hours of working? Eliminating these pain and retraining incorrect posture,we definitely sure that you can slow down your discomfort by wearing this back straightener posture corrector for women and men.Say goodbye to bad posture!
• EASY TO USE & WARM TIPS  If you have feel slight discomfort by wearing,it means that our back brace posture corrector is working and posture trainer is aligning your spine.During two month properly use,you will positively find huge different and effective result.Just wear this spinal support brace  1-2 hours a day,starting with 15-20 minutes a day and then gradually increase the time to 3 to 4 hours a day.