95% Cottton/5% Spandex UNDERWEAR Material: 95% Cotton, 5% Spandex ,Crotch: 100% Cotton WOMENS COTTON UNDERWEAR SIZE: US M-6(waist:28??-29??, hip:38??-39.5??); US L-7(waist:30.5??-32??, hip:40??-41.5??); If it is between two sizes, please choose the big one COTTON FABRICS: These comfy womens underwear are made of 95% natural cotton and 5% spandex. Feel 100% comfortable. SUPER SOFT AND STRETCH BRIEFS FOR WOMEN: These underwear are made of high quality,super soft and breathable natural cotton. Comfortable to wear all day long. Reinforcing seam, stretchy enough. Double-layer Wide Elastic Waistband-No ride up, no roll down. These panties are nice for tummy control, featuring full back coverage. The wide elastic waistband reduces the appearance of muffin top, and full back coverage nicely shows the hips PERFECT CHOICE: The birth year red underwear gift idea for your female friends/mother/Grandma.