When Boro Batch is experimenting that means you are saving! Boro Batch's Small Batch colors are unique runs of glass that are a part of Boro Batch's color creation process. There are striking, transparents, UV, CFL, opaque colors, and more! We want to get unique colors into your hands at 50% off AND when you buy a pound you get the second pound for 55% off!!! These colors are one of a kind so once they are gone they are gone FOREVER!