Come and see our amazing products. Aluminum alloy survival whistle with a metal split ring. Extremely loud, great item for any emergency, adventure, camping, mountaineering, hiking, sports, and so on.This handy promotional ring features a stylish metallic look available in seven colors. (There are PMS color, but you need to wait for a while) . Beside,The price includes the shipping cost to ca. QTY over 30K by ocean. the goods size is 2.44"x0.45".It is eco-friendly product which made by 100% recyclable materials.Customized logo can be laser engraved on it. Use our imprint methods to add your company logo and make your business stand out. Pls confirm with us about the packing info, stock color and exact production time before placing your order.