They can make the voice like metal when you hit each other, and they are used in all sorts of sports events, vocal performances, parties and so on.

Colors logo printing is available . 
Also be a promotional products with logo printing for sales.

size: 60*10cm
Material: PE
inner Packing: 2 pcs sticks with a pc of straw in a polybag
Outer packing:500 sets/46*36*28cm,11kgs/12kgs.