Material:Abs Farbe: Multicolor Das Paket Beinhaltet: 8 Package Included: Black, Red, Orange,Green,2 Of Each Color,Safety Whistles With Adjustable Reflective Lanyards, Suitable For Personal, Family And Team Use. Material: Our Safety Whistles Are Made Of Abs Plastic, Which Is Lightweight, Waterproof And Durable. With A Double-Tube Design, Each Plastic Whistle Can Emit High-Frequency And Low-Frequency Sounds. Bright Colors: This Safety Whistle With Lanyard Adopts A Striking Design, Which Is Brightly Colored And Can Attract The Attention Of The Outside World, Making You Easier To Be Found. Excellent Waterproof Performance: This Safety Whistle Adopts A 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 Safety Whistles Are Easy To 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.