It's okay if you feel like this. 
 
Limited availabilty - only 25 made of this iteration.
Blank inside. Comes with white envelope.
 
 
Colors:
Card is white
Envelope is off-white
 
Dimensions:
Card is 4 1/8” x 5 13/16”
Envelope is 4 5/16” x 6 1/8”