3.75 inches long Chillum style pipes Abstract design Encased frit marble Borosilicate glass Think they would use this on Mars. Maybe Uranus. These chillum style pipes measure 3.75 inches (9.5cm) long. Made from borosilicate glass, these hand pipes have a metallic abstract design with lime green accents and a colorful frit marble on the exterior to help prevent the pipe rolling on flat surfaces.