UST JetScream Floating Whistle with Powerful 122 dB Signal, Compact, Pea-Less Lightweight Design and Lanyard for Use in Emergency Situations and Outdoor Survival DIMENSIONS: Orange - 2.25 H x 1.3 W x 0.5 D and weighs 0.4 oz SPECS: Shrieks at a loud 122 decibels RELIABLE: This flat, buoyant signal whistle is pea-less design and will not freeze, clog or rust making it effective when wet for trustworthy use in emergency situations and wilderness survival DURABLE: Made of a strong, waterproof ABS plastic to ensure workability at the most vital times CONVENIENT: Includes a lanyard for easy attachment to a pack or other outdoor gear