RAWR!!!

"These mythical Wings are guaranteed to bring the magic of flight to mind & a smile on your child's face. Made of Canvas, fleece & felt - they are very sturdy, yet comfortable. They have velcro-adjustable straps to hold securely on to your child's bare arms or over a winter coat. Colors will vary & please feel free to request specific colors that would suit your child. Whether you call them Bat, Dragon or Pterodactyl - your child will want to wear them immediately.
Convo me for any questions, or custom orders. I am more than happy to work with my customers."

Found at NaturallyCraftyShop's Etsy shop.