The Prenatal Cradle offers orthotic support for the abdomen and back. It also eases pain from hip separation and pubic Symphysis. Purchasing the proper size is essential to maximize effectiveness and comfort Features Doctor recommended. Patented design supports back and abdomen. Gently improves posture while easing many discomforts. May be worn with regular lingerie. Based on the most natural stance of a woman with child. Completely adjustable, even through clothing. Machine washable, flannel-backed. Practical - no need to remove for toileting. Strong and effective. Lordosis. Sciatica. Reduces abdominal and back strain. Lifts uterine weight from pelvic cradle to ease hip separation and pubic symphysis. Encourages circulation from lower extremities. Specifications Size - Medium. Support Band Measurement - 39-45 in, 99-114cm. Current Pregnancy Weight - 175-200 lbs, 80-90 kg. Pant Size - 10-14. Item Weight - 6.5 oz. Dimension - 8 x 5.25 x 2.25 in.