Outdoor Portable Water Resistant Travel Survival Whistle

It is useful for outdoor travel.Features:Mini shape light weight space-saving and easy to carry.Water resistant and durable to use.Only consists two simple parts but it owns multi-function.The flint can be used as a whistle for emergency.Applicable at anywhere anytime and any condition including moist weather or low temperature.Simplicity of operation.High quality can be used for thousands of times.Specifications:Material: ABS MagnesiumColor: Green Black Orange(optional)Item Size: 8 * 2 * 0.5cm / 3.15 * 0.79 * 0.20inFlint Length: 4.5cm / 1.77inWeight: 10g / 0.37ozPackage Size: 8.5 * 2 * 1cm / 3.15 * 0.79 * 0.39inPackage Weight: 10g / 0.37ozPackage List:1 * Flint Fire Maker