Pink Petals Support Belt for Pregnant Women 75% Cotton, 20% Polyester, 5% Spandex Great for lower back support throughout pregnancy Can be worn discreetly under clothing and adjustable velcro fastening Regular : S = 34"-38", M = 38"-42", L = 42"-46" Plus size : 1X = 46"-50", 2X = 50"-54", 3X = 54"-60"