First and foremost, leak-proof glass storage containers offer superior functionality. The primary purpose of any storage container is to keep food secure and fresh, and glass does this exceptionally well. Unlike plastic, glass does not absorb odors or stains, which can often be an issue when storing strong-smelling or colorful foods. Furthermore, glass containers are generally dishwasher safe and easy to clean, which is essential for busy homes. Their transparent nature allows users to quickly identify the contents, making meal prep and planning more efficient.