100% ERGONOMIC Y-SHAPED DESIGN : Our back straightener posture corrector has invisible posture belt, light and breathable, stable support, universal four seasons, adjustable size for different body , tailored for back corrections. CORRECT POSTURE AT ANYWHERE & ANYTIME : Maximum comfort porous ventilation design & close-fitting, wear under a blouse or shirt. When you go out with straight posture, you will look confident, healthy and looked younger. REGAIN YOUR CONFIDENCE FROM US : Ergonomic spine Y-shaped design, balanced support, protect the body from stress, stabilize the lumbar spine, thicken and widen the shoulders, disperse the shoulders to withstand the pressure, reduce the armpit friction, and the limbs can move freely. SATUSFACTORY AFTER-SALES SERVICE : If you feel unsatisfied for this shopping , please contact us first, we will arrange refund or replacement sooner for you. Try our best service for you!