High collar classy black white knee length tunic dress

I’ve loved owning this dress. I’ve worn it with a blazer for the office. Worn it with leather belt and heels for a night out. I’ve always been complimented on it. The lines are vertical and flattering. Right at the knees or longer. The sleeves fold up. The fabric is a thick shiny polyester - not the stretchy cheap type. It’s perfect.