Material: Made from 95% polyester and 5% elastane. Nighttime set: Get a pink open waist babydoll dress and G-string set. Includes: A cut out pink dress with an adjustable back strap. Set: Comes with a matching G-string. Sizing: In size XS-S (to fit UK 6-10). Design: Butterfly pattern on the back of the dress to support pushing up the bra. Open Waist Babydoll Dress & G-String Set | Pink | Living Social