DescriptionMade by material, durable, rustproof and provide long service life. Multi-function design make it not only an self-defense pen, but also for writing. Creative women defense pen.Feature- Color: Random Color - Material: Metal. - Size: About 16.2x1.4x1.4cm. - LED light source: Japan - Reach brightness: lumen - length: 20MM - Surface treatment: oxidation treatment - Endurance: more than 10 hours - Material: tungsten steel embedded in aluminum alloy - Made by aluminium alloy and stainless steel material, high strength, rustproof,make it more easy to use. - Convenient, portable and easy to use. - A simple writting tool as well as a self-defense pen. - Applicable to: daily survival, outdoor defense, office writing, car escape, cool play and other daily use. - LED design is fashion and creative.