sport metal whistle 1.material:metal,nylon string 2.size:5x1.8x2.1cm 3.MOQ:10, ... 000pcs 4.packing: pp bag each piece high quality metal whistle descriptionsport cheap metal whistlematerialmetal material,with or without nylon string are all ... price payment termT/T,Western Union,Paypal,EtcDetails of the whistle: sport metal whistle