Set Contents: Gown, T-back, Obi (sash) Material: Polyester Size: Free Size (40-60kg) *This is an estimate. It's a shame to take it off! This glamorous oiran-style lingerie features a boldly open chest. The obi is easy to put on, just tie the strings. You can easily enjoy Japanese costume cosplay. With this cute and sexy night lingerie, you can create a different atmosphere.