Wilton Beginning Buttercream Decorating Set, 20-Piece Cake Decorating Kit Learn and practice all kinds of piping designs with this Beginning Buttercream Decorating Set The perfect starter set for aspiring decorators Comes with 10 decorating tips, including round, star, petal, leaf and specialty; 10 disposable decorating bags and illustrated icing techniques Material: Tips are stainless steel; disposable decorating bags are plastic Tips are top-rack dishwasher safe; however for best results, wash in warm, soapy water before first and after each use