MATERIAL: 80% Nylon+20% Polyester fiber. (Please choose by the size we measured). KEEP FIT: When watch the good body shape by wearing this vest, it will keep remind you to lose weight and keep fit and build confidence. LOOKS THINNER: It is a belly body shaping vest that can tighten and shrink your bulging stomach. FAT BURNING ASSISTANT: Due to its continuous tight feeling, this corset will help male to burning fat and feel more delight while doing exercises. SLIMMING: It is a revolutionary slimming and lifting undergarment, which has incredible assistant for men’s slimming effect.