toy whistle promotional whistle toy whistle warning whistle advertisement whistle toy whistle1 material: ABS or pp plastic2 size: 49MM length3 colour: red,black,yellow,orange,blue,green or white,etc4 logo: printing5 accessory: metal ring,lanyard,chain6 shape: 6-shape7 use: promotion gift,toy8 sample: free9 mass production: depend on order quantity toy whistle