Specifications: Product name Portable Outdoor EDC Tool Loud Lightweight Waterproof Titanium Whistle Mateiral Titanium Size 33.9*16mm Weight 11g Loudness 120 db Occasions Outdoor Camping Hiking,Traveling,etc. Features:-Titanium construction, lightweight.-Corrosion-resistant and long-lasting.-With a cord for easy carrying.-Good sturdy cord with reflective tape built in-Loud enough and can be heard from far distance.-Suitable for emergency survival, hiking, camping, traveling, pet training, sports, boating, etc.Package Includes:1 x Titanium WhistleNote: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm.