Come and see our amazing products. This emergency whistle is made of aluminium. Useful for deciding the right direction, avoiding being lost, finding your partners and calling for help when you are in need. With the key ring, it is very convenient for you to take it. Great for birthday gifts, business gifts, trade shows, opening ceremonies, anniversaries, promotional gifts and advertising. Suitable for sports club, hiking club, families and other outdoor activities. Custom logo is welcomed. Pls confirm with us about the packing info, stock color and exact production time before placing your order.