Hello Potato, this is a polyester costume, the main material is polyester, but not 100% is all polyester, because some parts on the costume may made of different materials, like the ribbons and bows, they may made of cotton.  (n__n)

Hello kali123, the skirt is about from the waist to the middle of calf when you stand up, if you'd like to a longer skirt, please write the size in the remark box, then our tailor will adjust it with you. And this is our commission service, we will update the photos as soon as possible, the photos will be given before ship out, if you don't satisfied, our tailor will adjust it with you, please don't worry. ^ ^