Size: 340mm. Material: Cotton When it comes to decorating cakes and pastries, you need a piping bag that's strong, reliable and easy to use. This 34cm pastry bag from Schneider offers them all. A cotton construction with a special coating and welded seam ensures the bag is strong and won't split as you pipe. Reusable and reliable, this pastry bag is ideal for use in both commercial and domestic kitchens.