Made with natural beige cotton linen. It's a light and airy material. This is a popular set. The bra is adjustable with strings. It has pockets inside for bra pads. The strings may come out. It's recommended to tie the ends of the strings before use. The pants are a single-layer T-back. The waist is adjustable with elastic. Size: Bra: L~LL Pants: Rise: 27 cm Waist: Up to approximately 115 cm Please give it a try! ^_^