FLEX New Soft Plastic Double Frequency Whistle, Wholesale FLEX New Soft Plastic Double Frequency Whistle,Promotional FLEX New Soft Plastic Double Frequency Whistle,Top Quality with lower price, Hot Sell in USA and Europe Market!!

Product Name:Brand new double-frequency whistle  Promotional gifts,Wholesale China
This double-frequency whistle is great for use in the field with a lower pitched sound that carries farther.
High-impact plastic and assembled by hand to ensure quality and regularity of tone.
Lightweight, easy and convenient to carry
Designed double-frequency could send out three type voice.
Run resistant design for Mouthpiece.
Integration design, solid and reliable
Color: Orange / clay color / green / black / brown
Material: Plastic
Size: Length 7.2cmX width 2cm, clip width 2cm
Strap(Optional)