CHOOSING THE RIGHT SIZE: 100cmx11cm, Measure from around your lower back to under your belly; Do not choose according to your maternity pants or trousersThis belly band is fully adjustable to accommodate abdominal growth throughout pregnancy.Using high quality fish ribbon material, elastic mesh is tight, perspirant exhaust is not stuffyUsing strong Velcro design, strong adhesion, no ball, no hairFeatures new reinforced hooks and loops fabric fasteners. This belly band for pregnancy has breathable fabric constructed of a multilayered laminate with an elastic lining which supports the lower back by redistributing pressure more evenly on the surface area the back support covers