New Look dressy gold glitter heels. Never worn.

Bought these from ASOS. They didn't come in a box. Never ended up wearing them and unfortunately after giving birth my shoe size changed. there seems to be some discoloration inside the shoe..could be the glue? it's been there since I bought it. the shoe itself is gorgeous - it's a toned down gold strappy closed toe shoe. great for holiday parties and weddings. US size 8 UK size 6 EUR size 39