Yinsaviny Women's Floral Lace G String V Thong Panties (Pack of 3) Random Colors Imported 90% Polyester 10% Spandex It's written M and L, however,they run smaller than their actual sizes. Medium (fits XS-S US sizes) Size 4-5, Waist round relaxed:23- 24, Large (fits S-M US sizes) Size 5-6 , Waist round relaxed:25- 26 XL: (fits M-L US sizes) sizes 6-7 ,Waist (round) relaxed:27- 28, 2XL: (fits L-XL US sizes) sizes 7-8 ,Waist (round) relaxed:29- 30 Hand wash cold water with same colors, no bleach, line dry