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Pumpkin-Shaped Portable Water Bladder – Flexible Potable Storage

💧 Product Summary The Pumpkin-Shaped Portable Water Bladder – Flexible Potable Storage is a food-grade, collapsible water storage tank engineered for the safe storage and transportation of drinking water. Also known as an onion water tank, its unique pumpkin-shaped design expands vertically when filled, creating a stable, self-supporting structure without...

Price: $62.00 USD – $276.00 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 Pumpkin-Shaped Portable Water Bladder – Flexible Potable Storage is a food-grade, collapsible water storage tank engineered for the safe storage and transportation of drinking water. Also known as an onion water tank, its unique pumpkin-shaped design expands vertically when filled, creating a stable, self-supporting structure without requiring a rigid frame.

Manufactured from durable food-grade materials, this portable potable water bladder is ideal for emergency response, disaster relief, military operations, hospitals, construction sites, remote camps, and residential backup water storage. Its lightweight, foldable construction allows rapid deployment, easy transportation, and compact storage when empty.

Available in capacities from 50 liters to 100,000 liters, this flexible water tank offers a practical solution for temporary or long-term potable water storage in both small-scale and large-scale applications.


🚰 Best Applications

Ideal for:

  • Emergency drinking water storage
  • Disaster relief operations
  • Humanitarian aid projects
  • Military field water supply
  • Hospital emergency water storage
  • Construction site water storage
  • Remote camp water supply
  • Community drinking water systems
  • Agricultural potable water storage
  • Temporary municipal water storage
  • Outdoor event water supply
  • Residential emergency preparedness

Common Usage Locations

  • Disaster relief camps
  • Emergency shelters
  • Military bases
  • Hospitals
  • Construction projects
  • Mining camps
  • Farms and ranches
  • Rural communities
  • Schools
  • Public events
  • Industrial facilities
  • Residential properties

⚖️ Comparison Table

Feature Pumpkin-Shaped Water Bladder Pillow Water Bladder Rigid Plastic Water Tank
Self-Supporting Design Yes No Yes
Foldable Storage Yes Yes No
Food-Grade Material Yes Yes Depends
Quick Deployment Excellent Excellent Moderate
Transportation Lightweight Lightweight Bulky
Space Saving Excellent Excellent Limited
Reusable Yes Yes Yes
Custom Capacities Available Available Limited

⚙️ Technical Specifications

Specification Details
Product Name Pumpkin-Shaped Portable Water Bladder
Product Type Flexible potable water storage tank
Alternative Name Onion Water Tank
Brand RAINBOW
Material Food-grade flexible fabric
Capacity Range 50L–100,000L
Structure Self-supporting pumpkin-shaped design
Water Type Potable drinking water
Installation Ground placement
Foldable Yes
Portable Yes
Reusable Yes
Custom Sizes Available

📏 Available Capacity Options

Capacity Recommended Application
50–500L Camping, emergency home water storage
1,000–5,000L Farms, construction sites, temporary camps
10,000–50,000L Disaster relief, military bases, community water supply
50,000–100,000L Municipal emergency water storage, humanitarian operations, industrial projects

🔧 Performance Features

Self-Supporting Pumpkin Design

The unique onion-style shape expands upward when filled, creating a stable water reservoir without requiring a permanent supporting structure.

Food-Grade Drinking Water Storage

Manufactured using food-grade materials that safely store potable water while preserving its taste, odor, and quality.

Rapid Emergency Deployment

Designed for quick installation during natural disasters, humanitarian emergencies, and temporary water supply projects.

Foldable & Easy to Transport

When empty, the bladder folds into a compact package, minimizing storage requirements and transportation costs.

Large Capacity Flexibility

Available in a wide range of capacities from 50L to 100,000L, making it suitable for residential, commercial, governmental, and emergency applications.

Durable Outdoor Performance

Built to withstand demanding outdoor environments while providing dependable long-term drinking water storage.


🏭 Trust / Manufacturer Section

RAINBOW specializes in manufacturing flexible potable water storage systems for emergency response, humanitarian aid, military logistics, construction, agriculture, and industrial water management.

Our pumpkin-shaped water storage tanks focus on:

  • Food-grade drinking water safety
  • Self-supporting portable designs
  • Rapid emergency deployment
  • Durable leak-proof construction
  • Foldable compact storage
  • Factory-direct custom manufacturing

With extensive experience in flexible liquid storage technology, RAINBOW supplies reliable potable water bladders trusted by governments, NGOs, emergency response agencies, contractors, and commercial customers worldwide.

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!

More Infomation To 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

Why is it called a pumpkin-shaped water bladder?

When filled with water, the flexible structure expands into a rounded shape similar to a pumpkin, helping distribute water pressure efficiently.

Is the bladder safe for drinking water?

Yes, it is manufactured using food-grade PVC material designed for potable water storage.

Can the tank be folded when empty?

Yes, the flexible design allows easy folding for transportation and compact storage.

Is it suitable for outdoor use?

Yes, the bladder is UV-resistant and designed for outdoor operational environments.

What applications is this tank suitable for?

It is suitable for emergency water storage, agriculture, construction projects, disaster relief, and remote operations.