GoEa Slim Women's Long Sleeve Arm Correct Back Posture Humpback Prevent Shapewear Arms slim down Correct back posture With special knitting that increase product elasticity Various compressions in sleeves that increase the efficiency of slimming down Two sleeves strengthen the strain at back Condition:100% Brand New Size: M:Suitable for Upper arms circumference (24-30cm/9.45-11.8"); Shoulder Width (36-43cm/14.17-16.93") L: Suitable for Upper arms circumference (26-32cm/10.24-12.6"); Shoulder Width (39-46cm/15.35-18.11") Materical: Polyamide / Nylon