Police whistles:

1 item name: police whistle

2 material: iron or copper

3 size: length: 69MM, diameter: 15MM

4 accessory: metal ring,metal chain,lanyard,etc

5 packing: in a opp bag or transparent plastic box

6 function: police whistle,army whistle

7 MOQ: 2000 pcs

8 lead time: depends on order quantity

metal police whistle