Perfect for decorating all your favorite treats: cookies, biscuits, wedding cakes, birthday cakes, cupcakes, office treats, hot chocolate, holiday desserts and any other sweet treats! Anti-burst Pastry Bags Upgrade Extra Thick 0.07mm, thicker than other regular pastry bags, will not burst under pressure. Sturdy and Durable Disposable piping bags are made of thick material, tear-resistant and durable, ideal for cake decorating. Wide Opening Wide opening makes bag easy to fill. Clear plastic makes it easy to gauge how much frosting is left. Safe for Food Pastry piping bags are made of food grade material; odor-free; Safe for direct contact with food.