The Neotech Care maternity belt helps support the weight of the pregnant belly and the lumbar regions of the back. This pregnancy belt is meant to support the lower back by redistributing pressure more evenly on the surface area the back support covers. It has 4 elastic side panels adding support and compression while allowing your skin to breathe. It is recommended to wear this bump support belt over clothes and while walking or standing.<br><br> Sizes:<br> For this maternity girdle we recommend you to measure the circumference of your belly around the lower back and under your belly (see product pictures) and choose a belt according to the belt sizes in the description in the lower range of your measurement in order to plan for belly growth.<br><br> S: 33-41" / 85-104cm belly circumference;<br> M: 38-45" / 97-114cm belly circumference;<br> L: 42-49" / 107-125cm belly circumference;<br> XL: 46-54" / 116-137cm belly circumference;<br> XXL: 52-60.5" / 131-154cm belly circumference.<br><br> This maternity belt is made of 40% Polyester, 60% Nylon