Avanity Teak 24 in. Mirror in Gray Teak Bring natural beauty to your bathroom with the Avanity 24-inch teak mirror. With its simple lines and solid teak construction, this mirror is versatile and durable. Since teak is naturally water resistant this mirror promises to last even in the most high-moisture areas. Available in three finishes: natural teak, gray teak, and rustic teak.