Pastry bags are frequently used in our baking room. Our reusable bag is the best choice for your daily baking. It is made of food-grade silicone and is safe. Silicone decorating bags are suitable for every cake decorating projects, 6 silicone cake decorating bags and 6 couplers can make different colors and patterns at the same time. Features - Color: Blue. - Material: Silicone. - Pastry Bag Size: 12" (Small); 14" (Middle); 16" (Large) - Coupler Size: 3.2 * 2.4cm / 1.3 * 0.9inch(L * W) - Food grade reusable silicone bags and PP plastic couplers is nontoxic, tasteless and BPA free. - You can easily decorate your cakes, pies, donuts and cookies with your kids and friends at home. Silicone piping bag is reusable and eco-friendly, do not harm to the environment. - and durable silicone bags are good choice in your bakery room, they will never break or burst. 3 sizes reusable piping bags and bonus 6 couplers meet all cake decorating projects. - You can use each bag for a different icing color without frequently changing and washing bags. Bonus couplers help to fast changing piping tips. Happy to decorate different colors cakes or cupcakes at the same time. - Silicone pastry bag can be easily trimmed and work with any decorating couplers and tips. Smooth interior is easy squeezing and washing. Anti-slip rough exterior is good for gripping. Just screw On/Off the couplers to fast changing nozzles, and you can make different patterns at once.