Glass stirring rods for your butters, balms, and blends.Stir your carriers and essential oils with these clear glass rods. The borosilicate glass is heat safe, and can be used as you melt butters and balms over the stove. Clean them with soap and water, or by popping them in your dishwasher. These sturdy rods can be reused over and over—a great investment for anyone who enjoys blending!