At that age I doubt both of you know what love is, so take it easy.
Because it's a toxic material and unsafe to wear while cooking.
Polyester is the worst fabric you can buy. It is made from synthetic polymers that are made from esters of dihydric alcohol and terpthalic acid.
No sites have the things like what you want... They are all paid sites, if you need such site, go for Hacking Sites related to kind of materials. It is always advisable that you don't use Credit Card here, since all kinds of Phising Activities are subjected to take place.
Play Safe.