Come and Check Our Branding Solutions.1.Louder sound - double tubes can provide up to 150 decibels, can be heard for far distance.
2.Strong and durable - stainless steel material ensures the whistle durable.
3.Good environmental adaptability - the whistle has no built-in pea, so it will not mold and breed bacteria because of the pea, you can use it in any dust or dirty water environment.
4.Convenient and practical - with keychain, can tie on your backpack, belt. Pls check inventory
and detailed info before placing your orders.