Snap-on lids are designed to securely cover containers, ensuring that the contents remain fresh and protected. These lids typically feature a flexible design that allows them to easily snap onto the rim of a container, creating an airtight seal. They are commonly used for various types of storage, including food containers, jars, and other household items. These lids are often made from durable materials like plastic or silicone, making them lightweight and easy to clean. Snap-on lids are popular for their convenience, as they can be quickly removed and replaced, making them ideal for everyday use in kitchens and storage areas.