Use as markers for night fishing and to activate distress signals in sudden marine emergencies, ensuring visibility for you and others. Dual purpose for navigation and safety Serves both routine navigation assistance and critical lifesaving purposes across kayaks, sailboats, and motorized vessels. Combines signaling and navigation aid functions with durability to meet marine compliance. Durability and visibility for marine use Built for durable performance in marine environments while providing reliable signaling and marking capabilities. Suitable for water exposure and visibility net marking. 23 practical use scenarios Night fishing on a coastal inlet: place markers along your fishing area to improve visibility for yourself and other boats, and to help locate gear after dark. Sudden marine emergency: quickly activate distress signaling to attract attention from nearby vessels and responders, while maintaining navigational reference points. Day and night navigation on small to midsized vessels: use markers to outline safe channels, mark hazards, or designate nets and marked lines for easier, safer passage on kayaks, sailboats, or motorized boats.