Package Include
10 x Referee Whistles

Features
- Size: 4x2x2cm loud whistle
- Material: stainless steel metal whistle.
- Made of stainless steel material, durable in use emergency whistle.
- Lightweight, with keychain, easy to carry loud emergency whistle
- survival whistle
- Loud sound can be heard from far distance

Goods Description
loud emergency whistle This high-frequency double whistle is a good helper for outdoor products, compact and easy to carry.emergency whistle A must-have for you when you are engaging outdoor activities.survival whistle Made of stainless steel material, durable in use.metal whistle It can be use underwater