Inside out, saving color changing, borosilicate glass pipe

Inside out, color changing, borosilicate glass pipe. Pink and purple cane and lines throughout the inside of the pipe. Gold and silver fumed for color change with color changing dots. Very thick glass with a flat spot on saving the bottom. Just over 4.25 inches long. Weighs 105 grams. Pictures were taken in the sun so the pipe is darker in color in indoor lighting.