Break Seal (noun)
Definition: A "break seal" refers to a seal that is designed to be broken when you first use a product. Once you break this seal, you cannot easily reseal it. This is often used for items like tubes of toothpaste, bottles of medicine, or jars of food to show that they haven't been opened before.
In a more technical context, "break seal" can refer to security measures in packaging, ensuring that a product is safe and has not been contaminated.
The term "break seal" is commonly used in packaging to indicate that a product is new and has not been opened.