WE BELIEVE THESE ARE OFF A VINTAGE CHANDELIER, WE DO NOT KNOW WHAT THE MATERIAL THEY ARE MADE OF IS, THE BEST WAY TO DESCRIBE IT IS MICA, IT IS SMOOTH ON THE OUTSIDE BUT BUMPY AND UNEVEN ON THE INSIDE. ONE OF THE SHADES IS COMING APART ON THE BOTTOM, THERE IS A CLOTH COVERED WIRE RING, PLEASE SEE THE PHOTOS FOR DETAILS.  THEY MEASURE APPROXIMATELY 5" WIDE X 5-3/8" TALL.

THEY WOULD REST INSIDE THE BOTTOM OF LIGHT CUP. 

COMES FROM SMOKE/PET-FREE STORAGE.