Shiny Toddler Classical Little Boys' 5 Pieces Formal Occasion Suit 2 Colors 5PCS INCLUDED:Jacket+White Shirt+Pants+Vest+Bow Tie For the Jacket:80% Polyester,20% Viscose Long sleeve dress shirt (65% Polyester 35% cotton ) For the Vest:High Quality Material(65% Polyester 35% cotton ) For best fitting, please refer to size chart picture, under product pictures.