Overview Material : Titanium whistle Brand : TISUR Item Weight : 0.02 Kilograms Included Components : Necklace, Titanium whistle Number of Pieces : 1 Manufacturer : TISUR About this item Made out of Titanium:Healthy material, This emergency whistle is full made of Genuine Ti-6AL-4V Titanium Alloy high hardness&lightness, mini compact, unique design makes more fashionable. Small & Super Light: Portable mini Size: Height 1.8 in(47 mm), diameter about 0.3 in(8 mm); Lightweight only 0.2 oz(5.7 g). Necklace length: 26 in/66 cm. Quality material makes it possible for a longtime using. Necklace/Keychain Friendly: This little whistle comes with a silver bead necklace and small keyring, can be a cool pendant necklace decorated around your neck in daily life, also fits on keychain and almost takes no space while attached to your keys or key chains as a small accessory. EDC Safety Protector: High pitch to 120 decibels, small but loud enough as your EDC emergency whistle, takes minimal effort to generate the sound, suitable for carrying in outdoor, camping, hiking, survival. DEDICATED CUSTOMER SUPPORT: Our customer service team is ready to assist with any questions, ensuring your satisfaction with every purchase.