Ateco Coated Pastry decorating bags are designed for both food service and home use. Plastic coating is easy cleaning. They are fabulous for piping foods and icings. Plastic Coated Pastry Bags are made of print cloth and then lined with polyethylene so they won't slip from your hands. They come in sizes 8in, 10in, 12in, 14in, 16in, 18in and 21in.