1) item: metal whistle LS2318 2) size: 57*23*24mm 3) material: iron 4) nickel plating which is non-toxic and hazard-free

Item: metal whistle LS2318

Size: 57*23*24mm

Material: iron

Plating: nickel or gold

Logo: engrave or laser

Function:sports meeting or policemen or referee or promotion gift etc

Accessories: lanyard, metal chain etc

Sound: loudy

It exports to Europe, America etc

metal whistle LS2318