Aocor 28Pcs DIY Stainless Steel Icing Piping Nozzles Tips Cake Pastry Sugar Fondant Cream Buttercream Reusable Coupler & Storage Case Baking Cookies Cupcakes Cake Tools Craft Decorating Tool Set Size:Diameter 1.8cm/ 0.71inch; Height :3.1cm/1.22inch Non-toxic,Nozzles constructed of durable stainless steel, good corrosion resistance, oxidation resistance and good hardness, dish washer safe. All these tips are durable and reusable, will not bend if you squeeze them so they will not lose their shape. Cake decorating tips: Closed Star, Open Star, French, Round, Plain, Leaf, Petal. Aocor is a registered trademark protected by US Trademark Law.