This Latex Vest is a Fat Burning waist trainer tank top that has 25 Steel Boned. Show your confidence and enhance your popularity by using this magnificent vest and waist trimmer. The Latex is the perfect material that will help with weight loss and waist sculpturing and shaping to your waist and posture. Specifications: Adjustable shoulder straps offering comfort and flexibility; with 25 steel boned and three rows of thick hooks and eyes that make it stronger.