Here's a size chart for a 3-piece dress (shirt and trouser) for ages 1 to 4 years based on the measurements you provided:
| **Age Group** | **Shirt Length** | **Trouser Length** |
|-----------------|------------------|--------------------|
| **1 to 2 years** | 14 inches | 18 inches |
| **2 to 3 years** | 16 inches | 20 inches |
| **3 to 4 years** | 18 inches | 22 inches |
This chart outlines the shirt and trouser lengths based on the age groups provided. If you need additional details, such as waist measurements for trousers or specific fit instructions, feel free to ask!
