Decorating can be as simple as writing when you use this innovative pen set. Simply fill the bag with icing, insert into pen applicator and start decorating your cake. Easy to hold ergonomic handle lets you write just like you were using a pen. The applicator dispenses all the frosting in the bag, no need to squeeze. Set includes 2 bags, 2 couplers, 1 writing tip and 1 universal applicator. Use with other tips too. The decorating pen works with any standard decorating bag and all sizes of tips. Nordic Ware.