Ms Purple Girls' Peter Pan Collar Dress Top: 94% Rayon, 6% Spandex, Skirt: 55% Linen, 45% Cotton Imported Machine Wash Cold, No Bleach, Cool Dry Size suggestion: Size XS -- 4~5 years old; Size S -- 5~6 years old; Size M -- 6~7 years old; Size L -- 7~ 8 years old;