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By Culinary Institute of America
Published 2015
Pastry bags are available in various sizes. Many bakeshops and pastry kitchens have turned to disposable bags to prevent cross contamination and food-borne illness. Wash reusable bags, which are usually made of nylon or plastic-coated fabric, with plenty of hot water and enough soap to thoroughly degrease them. Rinse them well and air-dry completely before using again or storing.
Piping tips are generally made of nickel-plated metal and are stamped with a numerical identification code. Although there are no industry-wide standards when it comes to numbering conventions for pastry tips, the numbers do have a relationship to the diameter of the tip’s opening:
