Made of EVA. Our posture corrector ensures alignment and stability. If you wear our posture corrector for some time, you will develop a muscle memory, which means that even without the posture corrector you will stay straight and upright. Unlike ordinary posture correctors, which are very rigid and restrict the movement of the arms by. This back brace has two adjustable straps to put on and a longer buckle closure, so everyone can easily apply this body wellness position corrector. 35.43" L x 10.03" W x 2.75" H