Fabric: Polyester Size reference: S≈38R, M≈40R, L≈42R, XL≈44R, XXL≈46R, 3XL≈48R. Please refer to our detailed size chart in the product picture before you purchase (Pls don't hesitate to email us if you have any confusion about size selection) Occasion: Great dress up idea for Halloween party, Birthday party, Pretend play,Theme Party, Cosplay, Masquerade,Prom,Cruise or any party costume outfit. We have other costumes. You can search Velateox for purchase.