These specially designed petal tips let you create beautiful handmade bouquets of roses, carnations, daisies, pansies and more. With openings that are wider at one end and narrower at the other, the tips turn out gracefully curved petals for making into elegant blossoms and buds?plus swirled borders and laurel swags. For enhanced control, versatility and neatness, use tips with its matching Coupler (sold separately). Coupler allows the decorator to change similar sized tubes without emptying the contents of the Pastry bag.Works with any kind of pastry tube, including folded parchment, canvas and plastic.Rust Free. Carefully Crafted. Seamlessly Manufactured. Extremely Durable/Non-Malleable. Great Performance/Better Results.