Upper arm shaper, 2 types, bust up, posture correction belt, back, hunchback, body shaper, shapewear, stiff shoulders, hunchback, compression, support, shoulder blade inner, bust, home, free shipping, yoga, home yoga, at-home yoga, hunchback improvement, rounded shoulder countermeasure, compression, slimming, flabby arms, cover shoulders, posture correction, LUSEEQ, genuine product XL size New, unused Supports the back firmly as a body shaper. Easy size adjustment and expected bust-up effect. Simply by wearing it, posture correction reduces hunchback and stiff shoulders. Stretch material for comfort, convenient as everyday innerwear.