Ultralight design minimizes pack weight for backpackers and hikers
Over 100 dB loudness ensures effective signaling in emergencies
Biodegradable PLA material supports eco-friendly outdoor use
Versatile carrying options with cord hole for necklace or handle
Made in the USA for quality assurance
Summarized by Shop
Whistles Ultralight & Loud
Ultralight emergency whistle made Hilltop Packs for Apex Giant right here in Pennsylvania. There are two different versions. The single barrel we designed it to be as small and light as we could get it and still loud as possible. The double barrel adds more volume. Weights Single barrel whistle 0.12oz (3.6