About the pans:
Following quantities are of calligraphy ink in dry form.
Half Pan : 2.5ml approx
Full Pan : 5ml approx
 
About Metallic Ink: Metallic paints are filled with shimmering pigment that can be mixed with Watercolour to create metallic effect.
 
About the Metallic Ink: These are highly pigmented handmade Metallic Ink. These can be used as watercolours itself or as inks to add shine to your artworks.
 
Using Metallic Ink : Add a few drops of water to the Metallic Ink and leave it for 30-40 secs. This will allow the colour to activate well giving you the best output.