This professional flood drainage barrier, made of high-strength ABS plastic, features a 99.8% leak-proof rate, 5.2mm thickness, and weighs only 3.8KG per piece for easy handling. The L-shaped design comes in multiple sizes from 52×70cm to 80×100cm, with adjustable angles of ±3° to adapt to various terrains. Tested to withstand extreme temperatures from -40°C to 95°C, it's specifically designed for urban flooding, typhoon rainstorms, and flood disaster emergency rescue scenarios. Currently equipped in over 300+ flood control command centers nationwide, assisting in more than 5,000 emergency rescue operations annually.