Three-layer composite structure,perforated and ventilated. Soft handfeel, light and comfortable, good stretch Perforated SBR fabric in the middle,Mesh designmore refreshing and comfortable,not stuffy, universal in all seasons Integrated cutting,comfortable fabric,Fits the physiological curve of each part of the body,,comfortable and close-fitting, easier to wear Direct force onthel ,ead smoother force and force Combined,back support system, set (two pieces) of fish bones from the outside to the inside, set of small support plates (2 pieces), main support plate to gradually support and protect thewaist Name: posture corrector Ingredients: polyester Color: Black Size: S,M,L,XL,XXL Package Includes: 1 x Posture Corrector Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Straighten your back anytime, anywhere, shape the correct posture, and enhance your overall temperament.Our back support fully fits your back, providing strong back support, straightening your back and increg your confidence,. Combined,back support system, set (two pieces) of fish bones from the outside to the inside, set of small support plates (2 pieces), main support plate to gradually support and protect thewaist. Direct force onthel ,ead smoother force and force. Integrated cutting,comfortable fabric,Fits the physiological curve of each part of the body,,comfortable and close-fitting, easier to wear. Perforated SBR fabric in the middle,Mesh designmore refreshing and comfortable,not stuffy, universal in all seasons. Three-layer composite structure,perforated and ventilated. Soft handfeel, light and comfortable, good stretch.