The GRAV x Jane West Bowl is a 14mm male component made of high grade borosilicate glass in dazzling cobalt blue. A glass maria on the stem enables better handling, while the ground glass connection fits snugly for optimal airflow. The borosilicate glass is highly thermal resistant, preventing cracks and promoting the best flavors. Compatible with any 14 female joint, the Jane West x GRAV Bowl is an elegant glass piece delivering smooth, flavorful rips.