Product Details: 88%Nylon,12%Elastane Non Padded Satin mesh spliced thin cup circumference, heart-shaped deep V buckle, cloth covered buckle decoration, simple and elegant, light and luxurious luster. The shoulder straps are bent, and the auxiliary breasts are lifted and tightened. Adjustable back buckle, adjustable/cross shoulder straps, free adjustment, suitable for different body types.