Stainless Steel Whistle with Rope Stainless Steel Color 56x17.5x20.5mm 6pcs/set 12 WHISTLES/BOX: There are 6 pcs whistles per box. And they will come with a yellow hanging lanyard on each whistle. The adequate amount can meet your daily use and replacement demands LOUD CRISP WHIISTLE:The sports whistle with good sonority, crisp and loud. Can be blown easily. You can control the volume and pitch during your use. The whistle can be applied in many occasions to attract other's attention rapidly. Good for coach and emergence EASY TO CARRY: There is a lanyard fixed at the top of each whistle, which makes it easy and convenient to hang the sports whistle on your neck for use or hang it on wall for storage. You can carry it and free your hand at the same time COMPACT & PORTABLE: 6 PCs x sports whistles 1.98 x 0.7 inches(17.5x50.5mm), compact and lightweight. 6 PCs x yellow lanyard 17.7 inch(45cm), which is long enough to hang at some places you want and make it portable with saving space WIDE APPLICATION: This alloy sports whistle is durable, easy to carry, and has a loud sound. Suitable for various Occasions, it can be used for daily training of coaches, refereeing of sports events, and emergency rescue