Large Clear Glass Bubble are flat on one side and rounded on the other.  Artwork put underneath it will become magnified. 
All glass bubbles will vary in size slightly. 
The Large is approximately 1.5" Round and 3/8" thick.
Set of 4

Match the large glass bubble to our 1.5" glass to sandwich artwork between, wrap with copper foil tape and solder.

Medium Clear Glass Bubbles are flat on one side and rounded on the other.  Artwork put underneath it will become magnified. 
All glass bubbles will vary in size slightly. 
The Large is approximately 1.25" Round and 1/4" thick.
Set of 4

Match the large glass bubble to our 1.25" glass to sandwich artwork between, wrap with copper foil tape and solder.

Small Clear Glass Bubbles are flat on one side and rounded on the other.  Artwork put underneath it will become magnified. 
All glass bubbles will vary in size slightly. 
The Large is approximately 3/4" Round and 1/4" thick.
Set of 4

Match the small  glass bubble to our 3/4" glass to sandwich artwork between, wrap with copper foil tape and solder.

Small Clear Glass Wafers are flat on the back and have a slight indentation on the front side. These are thinner than the glass bubbles.  Artwork put underneath will not look as magnified. The wafer is lighter alternative to the glass bubbles.
All glass wafers will vary in size slightly. 
The small wafers are approximately 3/4" Round and 1/8" thick.
Set of 4

Match the wafer to our 3/4" glass to sandwich artwork between, wrap with copper foil tape and solder.

Small Clear Glass Bubbles are flat on one side and rounded on the other.  Artwork put underneath it will become magnified. 
All glass wafers will vary in size slightly. 
The Medium  is approximately 1.25" Round and 1/16" thick.
Set of 4

Match the medium  glass wafers to our1.25" glass to sandwich artwork between, wrap with copper foil tape and solder.