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.