Button closure. Occasion:Party,Dates,Wedding ,Business,Daily,Graduation Party ,Prom etc. Kindly recommend gently hand wash or dry clean,wash separately or with similar colors in cold water. Items are slightly smaller than expected.If you have any questions about size,please feel free to contact us. Size Size: S, Bust:102cm, Shoulder:46.2cm, Sleeve:63.0cm, Size: M, Bust:106cm, Shoulder:47.2cm, Sleeve:64.5cm, Size: L, Bust:114cm, Shoulder:49.8cm, Sleeve:67.5cm, Size: XL, Bust:120cm, Shoulder:51.0cm, Sleeve:69.0cm, Size: 2XL, Bust:125cm, Shoulder:52.2cm, Sleeve:70cm, Mens Floral Tuxedo Dinner Wedding Party Suit Blazers