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Self-Expanding SAP Flood Control Bags – Eco-Friendly Barrier

🌊 Product Summary The Self-Expanding SAP Flood Control Bags are lightweight, water-activated flood barriers designed to provide rapid flood protection without the need for traditional sandbags. Filled with Super Absorbent Polymer (SAP), these bags automatically expand within minutes after contact with fresh water, creating a durable barrier that blocks and...

Price: $0.66 USD – $0.69 USD

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Dresses Size Chart

Dress Size Chart (Inch)
DRESSES
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 34"-35"
S 2-4 33"-34" 26"-27" 36"-37"
M 6-8 35"-36" 28"-29" 38"-39"
L 10-12 37"-39" 30"-32" 40"-42"
XL 14 40"-42" 33"-35" 43"-45"
Dress Size Chart (cm)
DRESSES
SIZE IN CM
SIZE US / CAN BUST WAIST HIPS
XS 0 78.7-81.2 60.9-63.5 86.3-88.9
S 2-4 83.8-86.3 66-68.5 91.4-93.9
M 6-8 88.9-91.4 71.1-73.6 96.5-99
L 10-12 93.9-99 76.2-81.2 101.6-106.6
XL 14 101.6-106.6 81.2-88.9 109.2-114.3

Swimwear Size Chart

Dress Size Chart (Inch)
SWIMWEAR
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 33"-34"
S 2 33"-34" 26"-27" 35"-37"
M 4 35"-36" 28"-29" 37"-38"
L 6 37"-39" 30"-32" 39"-41"
XL 8 40"-42" 33"-35" 42"-44"

Shoes Size Chart

US EURO UK AUS JAPAN CHINA
5 35-36 3 3.5 21.5 35
5.5 36 3.5 4 22 35.5
6 36-37 4 4.5 22.5 36
6.5 37 4.5 5 23 36.5
7 37-38 5 5.5 23.5 37
7.5 38 5.5 6 24 37.5
8 38-39 6 6.5 24.5 38
8.5 39 6.5 7 25 38.5
9 39-40 7 7.5 25.5 39
9.5 40 7.5 8 26 39.5
10 40-41 8 8.5 26.5 40
11 41-42 9 9.5 27.5 41

Delivery

    All orders shipped with UPS Express.

    Always free shipping for orders over US $250.

    All orders are shipped with a UPS tracking number.

Returns

    Items returned within 14 days of their original shipment date in same as new condition will be eligible for a full refund or store credit.

    Refunds will be charged back to the original form of payment used for purchase.

    Customer is responsible for shipping charges when making returns and shipping/handling fees of original purchase is non-refundable.

    All sale items are final purchases.

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🌊 Product Summary

The Self-Expanding SAP Flood Control Bags are lightweight, water-activated flood barriers designed to provide rapid flood protection without the need for traditional sandbags. Filled with Super Absorbent Polymer (SAP), these bags automatically expand within minutes after contact with fresh water, creating a durable barrier that blocks and diverts floodwater.

Ideal for homes, garages, commercial buildings, warehouses, and emergency response, these eco-friendly flood control bags are compact for storage, easy to deploy, and provide reliable temporary flood protection during heavy rain, flash floods, and storm emergencies.


🛡️ Best Applications

Ideal for:

  • 🏠 Residential flood protection
  • 🚪 Doorway and entrance flood barriers
  • 🚗 Garage flood prevention
  • 🏚️ Basement flood defense
  • 🏢 Commercial building protection
  • 🏭 Warehouse flood control
  • 🚧 Construction site flood management
  • 🅿️ Parking area flood protection
  • 🌧️ Storm emergency preparedness
  • 🚰 Water diversion and leak containment

Common Protection Locations

  • Front doors
  • Garage entrances
  • Basement access points
  • Driveways
  • Factory entrances
  • Warehouse loading docks
  • Retail storefronts
  • Construction zones
  • Storage rooms
  • Low-lying flood-prone areas

⚖️ Comparison Table

Feature Self-Expanding SAP Flood Control Bags Traditional Sandbags Inflatable Flood Barriers
Setup Speed 3–5 Minutes Hours 10–30 Minutes
Sand Required No Yes No
Water Activation Automatic Manual Filling Air Inflation
Labor Required One Person Multiple Workers Two People
Storage Space Compact Large Compact
Portable Excellent Poor Very Good
Eco-Friendly Excellent Moderate Excellent
Stackable Yes Yes Limited

⚙️ Technical Specifications

Specification Details
Product Name Self-Expanding SAP Flood Control Bags
Product Type Water-Activated Flood Barrier
Brand RAINBOW
Outer Material Non-Woven Fabric, Canvas, Jute
Inner Material Super Absorbent Polymer (SAP)
Activation Method Fresh Water Contact
Expansion Time Approximately 3–5 Minutes
Color Options Black, Dark Green, Yellow
Water Type Fresh Water Only
Salt Water Use Not Recommended
Custom Sizes Available
OEM / ODM Supported
Eco-Friendly Yes
Biodegradable Yes
Safe Disposal Can be buried after use

Available Sizes

Size Recommended Application
25 × 50 cm Small doorways
25 × 70 cm Residential entrances
30 × 60 cm Garage doors
30 × 70 cm Basement protection
40 × 60 cm Commercial entrances
20 × 150 cm Long flood barriers
25 × 150 cm Warehouse protection
25 × 300 cm Large flood control areas

🔧 Performance Features

Automatic Self-Expansion

The integrated SAP technology activates immediately upon contact with fresh water, allowing the flood bags to expand automatically into a strong water-blocking barrier.

Fast Emergency Deployment

Lightweight before activation, the bags can be quickly positioned by one person, making them ideal for emergency flood response and storm preparation.

Stackable Flood Defense

Arrange the flood bags in a brick pattern to increase barrier height and create stronger protection for doors, garages, basements, and commercial properties.

Eco-Friendly Flood Protection

Manufactured using biodegradable SAP and environmentally friendly outer materials, these flood control bags provide an effective alternative to traditional sandbags with reduced environmental impact.

Compact Storage & Easy Handling

The dry bags occupy minimal storage space, making them suitable for emergency preparedness kits, maintenance departments, municipalities, and disaster response organizations.


🏭 Trust / Manufacturer Section

RAINBOW is a trusted manufacturer of portable flood protection systems, flexible liquid containment products, and emergency water management solutions for customers worldwide.

Our flood protection products focus on:

  • Advanced Super Absorbent Polymer (SAP) technology
  • Rapid emergency deployment
  • Lightweight portable flood barriers
  • Eco-friendly flood control solutions
  • Durable waterproof construction
  • OEM & customized manufacturing services

With factory-direct manufacturing and years of expertise in flood defense solutions, RAINBOW provides reliable products for residential, commercial, municipal, industrial, and emergency response applications across global markets.

Have Questions? Contact Us!

📞 Call us: +86-29-88369398
📧 Email us: connie@softliquidtank.com
📱 WhatsApp us: +86-18829501828

Let us know your specific water storage needs, and we’ll be happy to assist you!

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Express Delivery

  • Europe & USA within 2-4 days
  • Rest of the world within 3-7 days
  • Selected locations

Frequently asked questions

How do self-expanding SAP flood bags work?

The bags contain SAP material that absorbs water and expands, increasing the bag’s volume and weight to create a temporary flood barrier.

What is SAP flood control technology?

SAP (Super Absorbent Polymer) technology uses absorbent materials that capture water and expand when activated.

Are SAP flood bags reusable?

Reusability depends on the product type, storage conditions, and application. Some are designed for single emergency use.

Are these better than traditional sandbags?

They offer advantages such as easier storage, faster deployment, and no requirement for sand filling.

Where can SAP flood bags be used?

They can protect homes, buildings, entrances, roads, warehouses, and flood-sensitive areas.