This is a bear bell to alert wildlife such as bears and wild boars to the presence of humans. The bell itself is made of brass, and the high-pitched, clear tone resonates far and wide. This is a used item, so we will sell it to those who understand. [Material] (Carabiner) Aluminum alloy (Body) Brass [Weight] 27g [Color] Cyan Blue [Size] (Bell) ∅32×34mm Product Information Category Outdoor, Fishing, Travel, & Hiking - Mountaineering & Trail Running Outdoor Outdoor Wear Brand Montbell