The size is quite small, so I believe it's the smallest size. I bought it when my toy poodle was a puppy, but it was too small to wear. A lovely pet dress with frills and embroidery. - Color: Brown and beige combination - Design: Dress style with frills and ribbons - Decoration: Embroidered patterns and pearl accents - Material: Soft fabric - Features: Adjustable string in the back Thank you for looking.