40 Pieces Silicone Pastry Bags Cake Decorating Supplies Tools: With 8 reusable piping bags in four sizes, 24 icing piping tips, 6 standard couplers, 2 cleaning brush, these frosting bags are perfect for cake, cupcake, cookie, biscuit, macaron and pie decoration. Health Safe Material: Food grade reusable silicone pastry bags and PP plastic couplers is nontoxic, tasteless and BPA free. All of our cake decorating bags have been made with 100% food grade materials that are safe for the entire family. Reusable Piping Bags: Soft and durable silicone bags are good choice in your bakery room, they will never break or burst. Reusable silicone icing piping bags , which can withstand powerful extrusionuse. Easy to Use: The cuspidal end is easily trimmed to fit your nozzles or tips. Screw on / off of coupler enables quick and easy nozzle changing. And you can make different patterns at once. Easy to Clean: Smooth interior is easy squeezing and washing, Anti-slip rough exterior is good for gripping. This set of pastry bag is equipped with two cleaning brushes that can be used to clean the silicone pastry bags.