Description This emergency whistle is made of stable material, which can withstand long-lasting use. Features the plastic material, which has high durability, not easy to deform. Fine workmanship ensures practicality. This emergency whistle will make the loud sound easier. Whistle can be used as a key chain hanging pendant. Features -Color:Red -Material:ABS, Nylon -Size:5.50X2.00X2.00cm/2.16X0.79X0.79in -Made of stable material, the whistle is solid and durable. Not easy to deform and rust. -The little whistle is really deafening loud and can still be heard from a distance. -Designed with a hole, it is easy to carry, or only wear it around your neck with a lanyard. -Also, can be a good gift choice for your friends who like outdoor activity, they will like it. -With great sound penetration, can be easy to whistle and make a loud, clear sound. You can quickly catch the crowd's attention anytime you want. Made of stable material, the whistle is solid and durable. Not easy to deform and rust. The little whistle is really deafening loud and can still be heard from a distance. Designed with a hole, it is easy to carry, or only wear it around your neck with a lanyard. Also, can be a good gift choice for your friends who like outdoor activity, they will like it. With great sound penetration, can be easy to whistle and make a loud, clear sound. You can quickly catch the crowd's attention anytime you want.