Forever 21+ - mix and match your favorite swimwear with this pair of bikini bottoms that features a low - rise waist, string construction, self - tie side closures, and a cheeky cut. . Shell: 80% nylon, 20% spandex. Lining: 92% polyester, 8% spandex. Hand wash cold. Model is 5'8" and wearing a size 1x. Women's string bikini bottoms in lime, 3x