Inside out, buy frit, borosilicate glass pipe

buy Inside out, frit, borosilicate glass pipe. Different shades of purple, pink, and amber colored frit (crushed glass) melted throughout the inside of the pipe. Very thick glass with a flat spot on the bottom. Weighs 99 grams. Just under 4 inches long. Pictures were taken in the sun so the pipe is darker in color in indoor lighting.