Quality Material: Crafted with quality stainless steel, this Hat Ruler is designed to withstand regular use without compromising its integrity<br> High Flexibility: The Ruler Hat offers great flexibility, making it easy to handle and ensuring accurate measurements every time<br> Clear Measurements: Features clear, easy to read markings that ensure accurate measurement of head circumference<br> Compact Size: Made from sturdy stainless steel, small size, light weight, you can carry it with you, convenient to use<br> Package Includes: Comes with a measuring tool specifically designed for accurately gauging head sizes within the specified range<br> Specification:<br> Material:Stainless Steel<br> Size Chart:42cm to 52cm/16.54inch to 20.47inch<br> Package Includes:<br> 1Hat Ruler<br> Note:<br> Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store