This mini whistle flashlight 2-in-1 is made of high-quality aluminum. Durable and strong. Designed for the outdoors! Whistle to notify your partner in an emergency! With a keychain, you can hang it on your pants or keys! Very convenient to carry. Rainproof, can be used even on rainy days! Great for traveling, camping, or keeping in the glove box, but also for home use. Small in size, yet powerful in brightness. Use the flashlight to illuminate any promotion or marketing event! We can print your logo or other content on the product for maximum exposure! Measuring 3.1*0.6*0.6 inches, this custom multicolor mini portable aluminum flashlight with keychain and whistle. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: Portable, durable, practical for daily use.