Vest, trousers, shirt and bow tie are a set. It will be shipped with a standard chain as an accessory. If desired, it can be sent with a boutonniere instead of a chain. It consists of 5 pieces in total. The table showing body measurements is available in the photos. Trousers for ages 5 to 10 have internally adjustable elastic. The trouser waist measurements given are measured and written at the widest waist without adjusting the elastics. The elastics can be adjusted from the inside and the waist of the trousers can be 2 sizes narrower.