Swity Home 17 Piece Set Stainless Steel Russian Piping Pastry Tips for Decorating Cake and Icing Cupcake, 1 Large Plastic Coupler As Free, Making Large Buttercream Flowers Package inclues:17 piece set russian piping pastry tips+ free 1 large coupler Material: 304 stainless, Mold size:approx 4.3cm(height), bottom diameter 3.7cm, upper diameter 2.5cm; Coupler size: approx 4.25cm(height), bottom diameter 4.75cm, middle diameter 4cm, upper diameter 2cm Shapes of beautiful different flowers, there is a beautiful shape for every baking need A great wedding or housewarming gift or for any occasion, you can creat colorful roses, tulips and more shapes; A variety of DIY cake, the production of small snacks Easy to keep clean and use, perfect for decorating cakes,puff,or pastry in a unique way, The coupler is useful when you are planing to decorate cakes in colors