... 3. adjustable strap in the back 4. nice design inside Men's gift waistcoat set, wedding vest 1.Composition: 100% silk fabric or ... just according to your requirement2.Size: XS,S,M,L,XL, ... on your certain requirementWe have the waistcoat set, the waistcoat with bow tie, necktie, cummerbund and so on. Men's gift waistcoat set, wedding vest