<b>Specifications: </b><br> Material: Stainless Steel<br> Lanyard: Nylon<br> Weight: 15g / 0.5 oz each<br> Size: 4.2 * 2.0 * 1.5cm (1.65” x 0.78” x 0.6”) <br> Sound: Crisp and Clear<br><br> <b>Packaging List: </b><br> 5 * Coach Metal whistles<br> 5 * Black Lanyards <br> <br>