This professional life jacket features a premium 300D Oxford polyester outer layer with high-density polyethylene foam core, providing 7.5KG buoyancy support suitable for rescue personnel weighing ≤100KG. Equipped with a professional rescue whistle that delivers effective distress signal transmission in noisy flood rescue environments. The high-visibility bright orange design with shoulder reflective strips ensures clear visibility in various complex lighting conditions, specially designed for flood disaster rescue and high-intensity scenarios, with distress signal penetration reaching 95 decibels and rescue identification rate improved by 89%.

This emergency rescue vest features a 200D thickened Oxford fabric outer layer with EPE pearl foam filling, providing 3.6kg stable buoyancy, specifically designed for earthquake-induced water disasters and flood emergencies. The approximately 230g lightweight design and 45x40x6cm ergonomic size, combined with shoulder reflective strips and high-visibility yellow with azure blue/bright yellow with vermilion eye-catching colors, significantly enhance underwater identification. Ideal for professional rescue personnel in flood control, reservoir discharge, and flash flood scenarios.