Material composition: 75% polyester, 25% cotton Care instructions: Machine wash Closure type: Button Neck style: Wing neck Country of origin: China This wing collar shirt is essential for formal occasions such as wearing a tuxedo or morning suit. It is frequently used at weddings, receptions, bridal events, and after-parties. The sleeves are single cuffs (convertible cuffs). Cufflinks can be attached. It is also widely used as a costume for stage performances, plays, and presentations. Many are used by junior high, high school, and university wind instrument clubs, drama clubs, and circles. Please refer to the attached image for size details. Size: M