These yellow-green professional flood control sandbags use 7S*3 high-density strengthened canvas fabric, with 99% waterproof performance and single bag load capacity of 30kg. Special reflective strip design ensures clear visibility during night operations. Multiple sizes 25×50cm to 40×60cm meet various flood prevention needs. Ideal for river breach blocking, urban waterlogging prevention, and underground passage sealing in emergencies. These sandbags provide effective protection for disaster relief and have been used in over 200 frontline flood control projects annually.
