This is a traditional Japanese garment known as yukata, or some people refer them as casual kimono or summer kimono. They are not bathrobes! Yukata is a outfit that often worn by young women to attend casual events like the summer festival. It's usually colorful and full of festive Japanese motifs. Yukata is one size fits most. Yukata will need to be folded at the waist and tied with koshi himo inner belts to secure it, and then a obi belt is put around the waist to complete the look. Made of 100% polyester.