100% food grade silicone is naturally BPA free, dishwasher & freezer safe, and heat resistant up to 450 degrees-meaning these versatile bags are suitable for the freezer, fridge, or microwave. The best part is they are extremely durable and will hold their shape and seal for years to come.

Why Silicone? It's...

* Made from sand, not petroleum.
* Microwave AND freezer safe.
* Extremely heat resistant (up to 450 °F).
* Non-stick and easy to clean.
* More eco-friendly than plastic because it does not break down into extremely harmful micro plastics.
* Gentle on kitchenware.
* Non-toxic and does not release chemicals into food.
What's in it: Silicone.

What's not in it: Plastic.

It's all good: These covers are microwave, dishwasher, and freezer safe.