Heavy-Duty Flood Control Sandbags with Drawstring Closure

Core Selling Points:

Superior Waterproofing: High-density waterproof canvas with 99% leak-proof rating effectively blocks water penetration, maintaining stability even during prolonged immersion.
High Capacity: Each bag supports 30kg, 50% more than standard sandbags, quickly building 1.5-meter flood walls for emergency flood control operations.
Quick-Closure Design: Innovative drawstring allows single-person closure in 3 seconds, 200% more efficient than traditional ties, perfect for large-scale emergency operations.
High-Visibility Warning Colors: Yellow-green dual-color design visible from 50 meters away at night, enhancing rescue operation safety and team coordination.

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Material and Craftsmanship:

Made from high-density waterproof canvas with triple-layer leakproof treatment, 400kg/㎡ pressure resistance, and 30% higher tear resistance. Reinforced bottom stitching withstands twice the water pressure of standard sandbags, maintaining structural integrity for 8+ hours in flood conditions. Anti-slip textured edges enhance stacking stability up to 10 layers without slippage.

Color/Style Options:

The sandbags feature yellow-green warning colors complying with national emergency response standard, with yellow base and green edges for high visibility in day and night conditions. Special fluorescent treatment ensures visibility in low-light environments during night rescue operations. Custom sizes available while maintaining the yellow-green warning color scheme for rapid identification and deployment by rescue teams.

Application Scenarios:

Riverbank Protection: As specialized riverbank reinforcement sandbags, 500 bags per 100 meters quickly create temporary flood walls withstanding 1.2-meter water levels.
Urban Flood Control: Protects underground passages and subway entrances with 50-100 bags effectively blocking 200 cubic meters of floodwater.
Emergency Rescue: Fire rescue teams carry 100 bags per vehicle, establishing protected zones within 10 minutes to safeguard critical infrastructure.

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Usage Instructions:

Flood control sandbags are simple to use: first fill with sand or soil to 70% capacity, leaving room for flexibility; then secure with the drawstring using an "S" pulling technique for proper sealing; finally, arrange in a pyramid pattern with bottom rows wider than top rows, alternating direction every three layers. Maintain 5cm overlap between layers to enhance the overall water barrier effectiveness.

Maintenance Guide:

After use, dry flood control sandbags in shade to prevent material deterioration from direct sunlight. Store unused bags in dry, ventilated areas away from sharp objects, stacking no more than 20 high. Quarterly inspection recommended for drawstring and seam integrity. Under normal storage conditions, shelf life is 5 years, with replacement recommended every 3 years for emergency reserves.