Material: Plastic Color: Orange Größe: 7.09 X 3.94 X 0.71 Inches Whistle Quantity: 8 Pcs Package Included: 8 marine whistle coast guard approved With Adjustable Reflective Lanyard, Suitable For Individual, Family And Team Use. Material: Our marine whistle coast guard approved Are Made Of Abs Plastic, Which Is Lightweight, Waterproof And Durable. With Double-Tube Design, Each Plastic Whistle Can Emit High-Frequency And Low-Frequency Sounds. Color: This marine whistle coast guard approved With Lanyard Adopts Eye-Catching Orange Design, Which Is Brightly Colored And Can Attract The Attention Of The Outside World, Making You Easier To Be Found. Excellent Waterproof Performance: This marine whistle coast guard approved Adopts Boneless Design, Which Means It Does Not Have Any Moving Parts. The Unique Design Enables Our Whistle To Float On The Water. Therefore, You Will Feel Safer With Our Floating Whistle. Easy To Use: These marine whistle coast guard approved Can Easily Emit High-Pitched Sounds That Can Be Heard From A Long Distance, And The Back Clip Design Makes It Easier For You To Use. The Whistle Can Be Used For Sailing, Hiking, Boating, Swimming, Kayaking, Camping, Etc.