The yellow Sherlock glass pipe by Grav Labs is their original design blown using 25mm thick glass. The Sherlock features a lay down design that sits flush on flat surfaces, allows easy loading and perfect for travel doe to its small length of only 4-inches. The Sherlock offers a large bowl, side carb and delivers cool smoke with a pressed neck. This design aids to slow down smoke for a smoother, cleaner draw. Blown using borosilicate glass. Made in USA.