Fabric and care: 100% Polyester. Care: Hand Wash Only. Origin: Imported. High Quality Material This sweat waist trainer for women is made of super stretch fabric (neoprene and spandex) with excellent wrapping and breathability. It effectively flattens the abdomen and stabilizes movement and the spine, reducing the risk of injury during exercise. Beautiful shape and support Belly fat seamless invisible design shapes your waist into a smooth curve. It helps prevent breast sagging, wrinkling and lifting. 360-degree flat belly, tightens excess fat, flexible soft abdomen, and creates a defined hourglass silhouette. Comfortable and durable Postpartum belly band with a high-elastic nylon reinforced strap provides good elasticity and is suitable for sensitive skin. It offers strong abdominal control, is comfortable to wear, and remains durable, retaining its shape after repeated use. Flexible use and sizing The sauna waist trainer features a two-section button design for flexible sizing. You can adjust the belt size to fit your needs, making it suitable for all body types, whether you are larger or slimmer. Usage scenarios - During workouts at the gym or at home for abdominal support and shaping - Postpartum recovery to help support the core - Worn under clothing daily to smooth and slim the silhouette