Norpro 3515 Pastry Bags (Set of 3), 12", White 12"/ 30cm With .75" hole for coupler and tip. Approximately 4" opening to fill. Fits Norpro decorating sets: 3562, 3563 and 3564 Extra pastry bags to go with your decorating set for icing, frosting, piping deviled eggs, pate, churros, macaroons, dough and noodles Equip each bag with different tips or different colors and switch back and forth quickly and easily Cotton outside helps bag to not slip out of your hand. Plastic coating inside Hand washable and reusable