String Bikini Butt Booster can be worn with anything. The lowest hip hugger jeans, the most revealing clingy dresses. Plump up your backside and keep it on the down low! Features low rise waist line, sexy bikini style with adjustable waist band for a custom fit. Foam Pads are one and a half inch thick for the perfectly plump tush! 85% Polyester and 15% Spandex. 100% Foam Pads. Hand washing is recommended for longest wear.