This Ateco 3312 12" polyurethane coated reusable pastry bag is perfect for creating imaginative cupcakes, cakes, food displays, and more! Made of polyester sheeting and triple coated with polyurethane, this Ateco pastry bag is a leak proof option for piping icing, mashed potatoes, and dough. Plus, thanks to its heavy-duty lining, this bag is ideal for use with fatty or oily products as well as regular icing. Whether you're decorating at a commercial bakery or for a catered event, this pastry bag is a reusable option to help you lessen your environmental impact.