Thank you for looking ⑅◡̈* ◆Brand new, unused item ✨ ◆Same-day shipping ✨ ◆Immediate purchase is welcome ✨ ◆Please read my profile ✨ Also available: ❤️ #Ayatan♡Shop Item List I've gathered many great deals! Please take a look ⑅◡̈* Material: Brass Brand: Haojiaho Included components: Whistle [Loud Volume] This ultra-lightweight yet loud whistle is a reliable essential for outdoor activities and emergencies. Human voices may not reach several meters in places like mountains, buildings, or large crowds. However, a whistle can transmit sound to areas that cannot be reached by human voice. 【Sturdy Brass Construction】 Made of high-quality brass, it has a rust-proof, oxidation-resistant, and corrosion-resistant structure. It is lightweight and durable, with no worries about deformation, breakage, or metal allergies. This disaster prevention whistle is a must-have for disaster preparedness, yet it can also be used for multiple purposes in daily life. 【Convenient Reel Key Included】 It is highly portable and has a reel key with a built-in abrasion-resistant nylon cord, allowing it to extend. The reel is approximately 35cm long, so you can pull it with plenty of room. It automatically returns when you're done using it, and it's a reassuring emergency whistle that can be easily attached to belt loops or bag hardware with a carabiner to prevent loss. [Multi-function] This whistle is useful for disaster prevention, SOS, child crime prevention, women's crime prevention, outdoor activities, coaches, referees, animal and crime prevention, excursions, mountain climbing, camping, fishing, hiking, trekking, travel, sports, training dogs, and more. [Product Specifications] ●Material: High-quality brass (whistle body) + zinc alloy ●Whistle body size is approximately 9mm wide x 45mm long, compact and convenient to carry, lightweight design weighing about 9g ●The reel extends 30-38cm and is retractable.