<p><strong>Material:&nbsp;</strong></p> <ul> <li>95% Polyester</li> <li>5% Spandex</li> </ul> <p>Official Forum&nbsp;Costume</p> <p><strong>Manufactured in the Following Sizes:</strong></p> <ul> <li>Child Medium (8-10) - best fits children 50 to 65-pounds up to 53-Inch tall</li> <li>Child Large (12-14) - best fits children 70 to 100-pounds up to 60-Inch tall</li> </ul> <p><a href="http://images7.solidcommerce.com/sc7051343/forum-sizechart.jpg" target="blank">Click Here To View Size Chart</a></p>