THERE IS A SIZE CHART IN THE PRODUCT IMAGES. YOU CAN CHOOSE ACCORDING TO THE DIMENSIONS GIVEN. THE SET CONSISTS OF 4 PIECES. SHIRT: PATTERNED - WITH TURNED SLEEVES VEST: ADJUSTABLE FROM THE BACK TROUSERS: WITH ELASTIC BUTTONS FROM THE WAIST FOR NIGHTLING PURPOSE - THE LEGS ARE NOT SEWN, YOU CAN ADJUST ACCORDING TO YOUR CHILD'S HEIGHT. BOWTIE MODEL INFORMATION AGE: 4-5 HEIGHT: 113 CM KG: 19 OVER: 4 YEARS OLD