It has a metallic wire that can be used to changed the shape. For examples I made a heart shape for a Queen of Hearts coord in this video:
https://youtu.be/EDr5HnHCAaE

It was custom made with the lace that has been dyed to match the colors of the bonnet. The top is quite high worn normally.

I ship worldwide from Switzerland. I accept Paypal. It comes from a pet-free, smoke-free home.
-Shipping to Europe is 14 USD in economy untracked, 20 USD in priority untracked and 27 USD in priority tracked.
-Shipping to the rest of the word is 19 USD in economy untracked, 34 USD in priority untracked and 40 USD in priority tracked.

Please see my other listing for sale to combine shipping. Not everything is listed here, I can DM you a link with more items for sale on demand.