Sell Outdoors Portable Keychain Whistle Double Pipe Emergency Survival Whistle best price

Dear, welcome to Ddouble, this is a paradise for shopping. Please choose whatever you want, and feel free to ask questions. Please click on the product. Features: 1. The whistle sound is crisp and loud, and the transmission distance is far. 2. Used to call for help, recruit companions, and survive in the wild. 3. Hanging can be hung on tents, equipment, kettles, backpacks, key rings and other accessories. 4. Strong performance, wear resistance, practical and convenient. Specifications: Color: high-grade matte black, one-color silk screen Size: 5.5*1.5*0.8cm/2.16*0.59*0.31'' Peak volume: 120dB Material: aluminum alloy Weight: 10g Notes: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.