Zink Drake Mallard Whistle Poly. The cleverly styled Mallard Drake Whistle doesn't just attract mallards " it'll bring in pintails and wigeon too. It's constructed from polycarbonate but molded like an acrylic call. The easy-blow system makes this a great introductory whistle for novice hunters who are just starting to explore different types of calls. Specifications for Zink Drake Mallard Whistle: Manufacturer: Zink Fabric/Material: Poly Features of Zink Drake Mallard Whistle Detailed mallard drake carving Draw in mallards pintails and wigeon Easy-blow system Great introductory option Package Contents: Zink Drake Mallard Whistle Zink ZNK-ZNK6056: Drake Mallard Whistle Poly