This 20 ounce beautiful reusable bamboo and stainless steel tumbler is perfect for busy mornings and afternoons. Safer for you to drink hot drinks out of with the all stainless steel liner. Did you notice your insulated mug probably has plastic in it it and can be leaching chemicals into your blood stream? With its anti-slip bottom and vacuumed sealed lid for added protection against spills. It fits in most car cup holders. Additionally, its great for the environment. According to Our Green Planet, every minute millions of disposable cups are thrown away ending up in landfills and our oceans, but with this cup you can help reduce waste.