instecho S Piping, MCIRCO 3 Sizes Reusable Pastry Silicone Icing Bag Decorating Supplies Cupcake Macaron Cake Frosting DIY Baking Tool with 3 Icin, Blue SAVE YOUR MONEY AND TIME: Set includes 3 pastry bags + 3 couplers (You can use 3 tips at the same time) Couplers work with standard decorating tips. Pastry bags can work with any decorating couplers and tips you like. FOOD GRADE HIGH QUALITY: Bags are made of food-grade silicone; Couplers are made of PP plastic, BPA free. Nontoxic, tasteless, sturdy, durable and FDA and LFGB approved. Safe for your whole families. EASY TO USE AND CLEAN: The cuspidal end is easily trimmed to fit your nozzles or tips. Screw on / off of coupler enables quick and easy nozzle changing. Reusable, practical, flexible, lightweight, portable, and durable. GOOD DECOARING TOOLS TO PREPARE SWEET BITE FOR YOUR BELOVED OR JUST FOR YOURSELF: Great for cake decorating, icing, and frosting cakes and other desserts like cookies, biscuits, chocolate and pies. LOVE SHARING AND COOPERATION: Use each bag for a different icing color while decorating cakes and cupcakes, or two or three people can decorate baked goods at once.IF YOU HAVE ANY PROBLEM, JUST CONTACT SELLER.