Shein Floral Bikini Top Size Small. The bikini top is 82% Polyester and 18% Spandex. Machine washable. The color of the bikini top is blue and white. Hooks in the back. Padded with removeable pads. Adjustable straps. Darted. Stretchy. With the garment laying flat, the measurements are as follows: the underbust is 13 1/2 inches and from top of the straps to bottom of the bikini top is 10 1/2 inches. Preowned but in good condition.