whistling 1.sample free 2.MOQ:5000 only 3.approval the test of Europe whistling Qrice:rationalMOQ:5000 pcs onlyLead time: ... :Eco-friendly product,nickel free,lead free.Color:white nickel,black nickel/gun,antique silver,antique brass,imitation gold,real gold ... are able to make the same product or i will design one for you approval. sport whistling,can make your LOGO on the product