BOTAO Product advantages The concave-convex support belt reduces the pressure on the lower back and spine of pregnant women, reduces the vibration of activities, and stabilizes the fetal position. The outer belt protects the waist, pull the Velcro on both sidesand stick it on the inner belt features Breathable and Comfortable Maternity Belt : Don't worry about the sweat, friction and unbearable pressure caused by most belly belts. Our pregnancy waist support keeps you cool, comfortable and fully mobile, and you can easily adjust it. 76% polyester,24% elastane Washing method: hand wash, not machine washable, not tumble dry Maintenance method: when not in use, put it flat by hand Fasteners: The hook and loop product combination features a paneled elastic back support with further support straps around the back. Composed of three components, stable triangular structure, adjustable size range. Suitable for the crowd Suitable forpre-pregnancy and post-pregnancy. The pregnancy belt is mainly to help pregnant women hold up the abdomen. It provides assistance for those who feel that their stomachs are larger and need to be supported by their hands when walking, especially ifthe ligaments connecting the pelvis are loose. For pregnant women in pain, the belly support belt can support the back.