Emergency Whistles With Lanyard Secure Whistle Survival Shrill Resounding For Kayak Life Vest Jacket Boating Fishing Camping Hiking Hunting Assist Signaling Features: Quantity: 1pc Material: Plastic products Color:Orange Product size:7.5x2x0.6cm/2.95×0.79×0.24Inch Packing size:7.5x2x0.6cm/2.95×0.79×0.24Inch Gross weight:25g/0.05lb Applicable scene: outdoors Product Description: SUPER RESOUNDING SURVIVAL WHISTLE: double-barreled emergency whistle, high pitched powerful noise maker with dual sound chambers, can provide up to 120 dB sound power, enough to be heard over a mile away. Cannot be overblown, works great as signal whistle. PEALESS DESIGN:pealess design means no moving parts, nothing to obstruct sound, and nothing to clogging or break. Lightweight and fail safe nice whistle works well in any conditions with excellent airflow design. Comfortable mouth grip, won't stick to lips like METAL ones in cold environments. REGULATEABLE REFLECTIVE LANYARD: high visibility even in the dark with slider button to adjust length around neck, long lanyards can easily loop through backpack, sailboats, camp hike gear, life jacket, kayak, paddling paddle board, bike. You can also clip the whistle to your belt or shoulder straps for quick and easy use in case of emergency. SUPER DURABLE: high plastic construction ensures strong durability and complete. quality whistles to carry for life security, camping, hiking, backpacking, hunting, fishing, swimming, boating, kayaking, marine sporting events any kind of outdoor activities, also for dog training. LIGHTWEIGHT AND COMPACT: This whistle weighs 25g, very easy to carry. Package Content: 1x Whistles、