Made of elastic cotton, the pregnancy belt prevents pain in the lower back from pressure from the bladder. With the strap comes the adjustable strap, practical and comfortable to use, with lumbar and abdominal support. Soft, stretchy cotton fabric. Accompanies increases in abdominal volume without compressing. Lumbar and abdominal supportAdjustable strap with velcro that guarantees lumbar/abdominal support and relief. Maximum freedom of movementAnatomical design of the legs. Very discreet under clothesDoes not leave marks.