Bake a masterpiece with Ateco Disposable Pastry Bag Soft 12 1000 Pk. 12" disposable pastry bag - Soft Piping Decorating Bag is a great way to decorate without having to buy expensive plastic or canvas bags. Save time and eliminate clean up. Simply cut the end of this bag and insert the tip of your choice. New material is pliable and flexible for better feel. Not slippery to the touch like other disposable bags. Made of polyethylene.