CZCCZC Pregnancy Maternity Support Belt Back Support Belly Band Girdle/Waist (XX-Large, White) The support belt will gently lift the abdominal area to reduce pressure from the lower back. And also it will relieve your pelvic area joint fatigue and muscles soreness during pregnancy S:28.3-38.5'' belly circumference; M: 30-42.5" / 76-109cm belly circumference; L: 32-46" / 81-117cm belly circumference; XL: 34.5-50.5" / 88-128cm belly circumference; XXL: 37-55" / 94-140cm belly circumference. This maternity belt supports your big tummy very well - you can adjust it on the back, in the front and remove it when don't need it easily. The pregnancy support belt has been designed with a multi-layered laminate with cotton/nylon elastic lining adding compression and ventilation