Kix`ies Thigh Highs Stockings Hold Up Nylon Pantyhose 90% nylon Every body type is different, so we created four sizes to fit all shapes and ensure a stay-up fit No rolling, no muffin top, no slipping; just elegant, sexy and comfortable Size A fits Height: 4'11"  5'5; Weight: 90  135 Lbs.; Thigh Circumference: Up To 20" / Size B Fits Height: 5'5"  6; Weight: 130  165 Lbs.; Thigh Circumference: Up To 25" Size C fits Height: 4'11"  5'5; Weight: 150  225 Lbs.; Thigh Circumference: Up To 30" / Size D Fits Height: 5'5"  6; Weight: 185  250 Lbs.; Thigh Circumference: Up To 35" Tights are 10% Spandex and 90% Nylon; Bands are 12% Spandex, 55% Nylon and 33% Polyester