This custom reinforced edge flood prevention sandbag is made of specially reinforced silicone fabric, measures 40×25×10cm, with military green design complemented by reinforced edge craftsmanship, particularly suitable for mountain flood protection. Single bag load capacity reaches 17-20kg, maintaining integrity even under high-speed water flow impact. Successfully applied in 150 mountain flood control projects nationwide, it has become the first choice for mountain flood prevention with its excellent impact resistance and flood prevention characteristics, providing reliable protection for mountain residents.