The plastic is inert, but the stuff stuck to the plastic might not be safe. Microplastic is a lot of tiny pieces, which means it has a high surface area. That c

The plastic is inert, but the stuff stuck to the plastic might not be safe. Microplastic is a lot of tiny pieces, which means it has a high surface area. That can attract pollutants that stick to it. Also, some of it is pretty small. It can be small enough to enter the bloodstream when eaten, and we don't know what that will do. So far we don't know if it's a problem or not.