When it comes to flexible, space-saving, and cost-effective liquid storage, the 3-20L collapsible liquid container series is the ultimate answer. These flexible square jugs redefine how liquids are stored, transported, and dispensed across industries, combining foldable convenience with reliable performance for every volume from small batches to bulk logistics.
Why Choose the 3-20L Series?
1. Space-Saving Foldable Design
The core advantage of these containers is their collapsible structure. When filled, they form a stable square shape that stacks neatly on pallets, maximizing storage density. Once empty, they fold completely flat, reducing volume by over 80% compared to rigid plastic jugs. This eliminates the waste of empty containers, drastically lowering warehouse and logistics costs.
2. Versatile Capacity Range
From small 3L laboratory reagents to 20L industrial liquids, the series covers all common use cases:
3L/5L: Ideal for small-batch food ingredients, craft beverages, or medical lab liquids.
10L/15L: Perfect for mid-sized commercial use, such as cleaning chemicals, liquid fertilizers, or beverage syrups.
18L/20L: Built for bulk logistics, including industrial solvents, agricultural liquids, and disaster relief water supplies.
3. Durable, Safe, and Eco-Friendly Construction
Made of high-quality LDPE material, these containers offer exceptional performance:
Food & Industrial Grade Safety: Suitable for direct contact with consumable liquids, mild chemicals, and sensitive reagents.
Leak-Proof Sealing: Secure screw-on caps prevent spills during transport, even when stacked or jostled.
Lightweight & Resilient: Far lighter than rigid alternatives, reducing handling strain while resisting punctures and low temperatures down to -20℃.
Eco-Conscious: Single-material design simplifies recycling, making disposal 90% more efficient than multi-component rigid barrels.
4. Cost Efficiency Across the Supply Chain
Businesses that switch to these collapsible containers see immediate savings:
Lower Packaging Costs: 50% cheaper than equivalent rigid plastic cans.
Reduced Logistics Expenses: Folded empty containers take up minimal space, cutting freight costs for return shipments.
Minimized Waste: High liquid emptying rates eliminate residual product loss, maximizing yield for every batch.
Applications Across Industries
The 3-20L collapsible liquid container series serves a wide range of sectors:
Food & Beverage: Syrups, edible oils, craft beer, and liquid ingredients.
Medical & Laboratory: Reagents, buffer solutions, and pharmaceutical liquids.
Industrial & Chemicals: Cleaning agents, mild solvents, and industrial additives.
Agriculture: Liquid fertilizers, pesticides, and irrigation additives.
Outdoor & Emergency: Camping water storage, disaster relief supplies, and portable liquid transport.
Full Series Specification
| Item | 3L | 5L | 10L | 15L | 18L | 20L |
|---|---|---|---|---|---|---|
| Material | LDPE | LDPE | LDPE | LDPE | LDPE | LDPE |
| Capacity | 3L | 5L | 10L | 15L | 18L | 20L |
| Expanded Size (cm) | 15×15×15 | 18×18×18 | 23×23×23 | 25×25×25 | 27×27×27 | 29×29×30 |
| Weight (±5g) | 65g | 85g | 120g | 160g | 185g | 200g |
| Bottle Opening ID | 32 mm | 32 mm | 32 mm | 32 mm | 32 mm | 32 mm |
| Temperature Range | -20℃ ~ 85℃ | -20℃ ~ 85℃ | -20℃ ~ 85℃ | -20℃ ~ 85℃ | -20℃ ~ 85℃ | -20℃ ~ 85℃ |
| Quantity Per Carton | 300 pcs | 100 pcs | 100 pcs | 50 pcs | 50 pcs | 50 pcs |
| Carton Size (cm) | 67×65×49 | 59×41×50 | 67×65×49 | 60×41×58 | 60×41×58 | 60×41×58 |
| Package Weight | 21 kg | 13 kg | 18 kg | 13 kg | 14 kg | 15 kg |
| 20FCL Loading Qty | 45000 pcs | 20000 pcs | 15000 pcs | 9500 pcs | 9500 pcs | 9500 pcs |
| 40HQ Loading Qty | 90000 pcs | 40000 pcs | 30000 pcs | 20000 pcs | 20000 pcs | 20000 pcs |
Note: Dimensions are manual measurements, slight deviations are allowed.
Final Verdict
Whether you’re packaging small-batch products, shipping bulk industrial liquids, or looking to cut warehouse costs, the 3-20L collapsible liquid container series delivers unmatched flexibility, reliability, and savings. With a foldable design that solves the biggest pain points of rigid packaging, these flexible square jugs are the smart choice for modern liquid storage.

