The elastic range can be adjusted within a wide range. Made of high quality and comfortable fabric for women skin. Five hidden metal brackets support your back and waist. The edges of the waist belt do not pucker or slip off. 80% Polyester, 20% Elastane The design of the ventilation holes is designed for all seasons. Because it"s breathable. It is a clothing belt for postpartum recovery. It will continue to be useful to you after postpartum recovery. Abdominal weight loss, muscle training, back support, training protection. Use 6 to 8 hours a day. Take it off while you sleep. Please relax it half an hour before eating and use it after half an hour. Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it