Bathroom vanities size 25 inch to 29 inches can be practical and stylish. When searching for the bathroom vanities, get familiar with the different sizes to know what’s right for you. Not sure which bathroom vanities size to choose? We can help you can help you to find your size in your bathroom. Remember to find your bathroom vanity by color. You can’t go wrong with white bathroom vanities but try to envision others like black bathroom vanities. You might be surprised by how good it looks.