3 Pack Dual-Tube Aluminum Alloy High Decibel Rescue Survival Whistle Keychains, OEM Supported, Gold Silver Black for Camping Hiking Sports

Constructed from lightweight aviation aluminum alloy with dual independent air tube design, it delivers ultra-loud dual-frequency penetrating sound with long-distance propagation. Distinct layered loud tone easily cuts through wind, mountain fog, dense foliage and stadium crowd noise, perfect for wilderness SOS rescue, outdoor hiking alerts, sports referee signaling and pet training.

Frosted anodized metal shell features outstanding waterproof, rust-proof, scratch-resistant and fade-resistant performance, maintaining consistent stable sound output in rainy, damp, waterside and harsh wild environments without oxidation or discoloration. Slim streamlined vertical body is ultra-lightweight, bringing almost zero extra carry burden for long treks and daily use.

All blowing contact edges are precisely polished smooth and rounded to prevent lip chafing during prolonged continuous blowing. Seamless one-piece integrated construction has no loose fragile internal components that jam or fall off, simple to wipe clean of outdoor dust and water stains.

Cost-effective multi-scene portable EDC lifesaving tool, widely applicable for outdoor retailers, sports stores, camping suppliers and household emergency reserve kits, with reliable OEM customization support for logos, packaging and color matching.

What's in the box
3 x Whistles