DescriptionSize Important Information: Manufacturer size M=US Size S ; Manufacturer Size L=US Size M ; Manufacturer Size XL=US Size L ; Manufacturer Size XXL=US Size XL Seller suggest choose bigger size, it's more suitable and comfortable for American ladyMaterial : 100% Mulberry Silk7 colors for choose: Black , White , Beige , Skin color , Pink , Purple , Red4 sizes for choose:Size M: US Size S Original Waist : 54cm/21.3 inches Max Stretched Waist: 76cm/30 inchesSize L: US Size M Original Waist : 58cm/22.8 inches Max Stretched Waist: 80cm/31.5 inchesSize XL: US Size L Original Waist : 62cm/24.4 inches Max Stretched Waist: 84cm/33 inchesSize XXL: US Size XL Original Waist : 66cm/26 inches Max Stretched Waist: 90cm/35.4 inchesPure color silk briefs , seamlessThe material is very soft and smooth , it’s good for your skin , and it’s very healthyWhen you try on this briefs , you will feel so relaxedReally a nice briefs for every female elegantIf you don’t know which size is suitable for you , you can contact us and told me your waist , we will reply you in 24 hours , and help you choose a perfect size .