JEM, by PME, professional decorating tips are stainless steel, will not rust, and have no seams. Being seamless insures no "curling" when piping. Consistent results every time!
★Dimensions: tip 1.7 x 10.1 mm, base diameter 18 mm, height 31 mm
★ All nozzles work with disposable, fabric, and parchment piping bags
