An envelope made out of a doily is so perfectly elegant.
a few of my favorite things...
How to make lace envelopes
DIY: Lace Envelopes
crafts and diy
Custom listing 50 Wedding Thank You Cards with by 4LOVEPolkaDots, $225.00
Doily envelope even rectangular
DEEsigns by Nina Dee See doily fold instr. - SU Tutorials
Doily Dress Wedding Card