Polypropylene is a plastic that’s used in many products, including food storage containers. You can recognize it as the number 5 surrounded by a triangle on the bottom. It’s generally considered one ...

Plastic containers are great for storing food, but they don’t last forever. Experts warn that scratches, stains, and damage can trap bacteria and release microplastics. If a container is smelly, ...

Polypropylene is a type of plastic used to make everything from yogurt containers to water bottles. It's easy to recycle and is one of the most popular plastics used today. You'll know a piece of ...