Unique Shoulder Straps- Unlike other belts that press on the abdomen, they are scientifically supported at 45 degrees from the bottom of the abdomen,more comfortable and real pressure-free Relieves Lower Back Pain- The belly band with shoulder straps can support the excess pregnancy weight effectively,and prevent lower abdomen, pelvis and lumbar spine injury. Soft and Breathable Materials- Choose the elastic mesh design to increase the breathability of the maternity belt;no matter when standing, walking and moving, it works with your posture changes. Adjustable Pregnancy Band- With our specially designed shoulder straps and belts, you can adjust it to the most comfortable state you need of each period during the all pregnancy, not need to buy more sizes of belts! Blessings to you- We hope our comfortable belly band will become a mini cradle for your little one and ease the pain of pregnancy for you. Size S,Lower abdominal circumference:70-100cm/27.5-39.3in Size M,Lower abdominal circumference:80-100cm/31.4-43.3in Size L,Lower abdominal circumference:91-120cm/35.4-47.2in Size XL,Lower abdominal circumference:100-130cm/39.3-51.1in