Pure Copper Kids Outdoor Safety Whistle Necklace
Crafted from premium pure copper for superior durability and corrosion resistance, this high-frequency ultrasonic whistle delivers loud, piercing sound up to 120dB—ideal for emergencies, hiking, camping, or school safety. Precision-engineered with a compact, lightweight pendant design (25mm diameter) and adjustable nylon cord for comfortable all-day wear. Customizable laser engraving for names/logos enhances personalization. Waterproof and oxidation-resistant, it’s a must-have for scouts, sports teams, and outdoor enthusiasts. Bulk orders available at unbeatable wholesale rates—global shipping, lowest price guaranteed.