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Quilted Composite Geobag FAQ: Materials, Specs, Shipping and Installation

Frequently asked questions about quilted composite geobags. Learn about materials, capacity, lifespan, customization, standards, shipping and installation methods.
Jun 29th,2026 5 Views

Frequently Asked Questions About Quilted Composite Geobags

Below are the most common questions from international buyers about our quilted composite geobag products. If you need more information, please contact us for a free consultation.

Q1: What materials are used in the quilted composite geobag?

The quilted composite geobag uses a dual-layer structure. The outer layer is 200g green nonwoven fabric, which provides water permeability and filtration while supporting vegetation growth. The inner layer is 400g twill woven fabric, which provides structural strength and load-bearing capacity. The two layers are permanently bonded through a quilting process to prevent separation during filling and installation.

Q2: How much sand or soil can each bag hold?

The finished bag size is 1.45m x 4.2m. When folded, it measures approximately 2.1m x 1.45m. Each bag can hold 0.3 to 0.5 cubic meters of sand or soil depending on fill density, with a total weight of approximately 500 to 800 kg per bag. The open side allows easy filling with an excavator or by hand.

Q3: How long does the quilted composite geobag last?

When buried under soil or stone cover, the bag can last 15 to 25 years. For exposed applications without soil cover, we recommend a service life of up to 3 years, as the nonwoven outer layer will gradually biodegrade over time. The inner twill woven fabric has better long-term durability. For permanent ecological projects, covering the bags with a thin soil layer and planting vegetation significantly extends their lifespan.

Q4: How does it differ from standard PP woven geobags?

The main differences are:

  • Water permeability: Quilted composite has excellent permeability due to the nonwoven layer; standard woven bags have average permeability
  • Appearance: Quilted composite bags are green (ecological); standard bags are black or white
  • Structure: The quilting process provides more stable layer bonding than standard sewing
  • Strength: Standard PP woven bags have higher tensile strength and are better for heavy-duty applications
  • Price: Standard woven bags are lower cost; quilted composite bags are mid-range

Q5: Can I customize the size, weight and color?

Yes. We offer full customization including bag dimensions, fabric weight (g/m2), and color. Green and brown are popular for ecological engineering projects, while black is used for standard protection applications. The minimum order quantity for custom orders is 500 pieces, which is negotiable for sample orders.

Q6: What manufacturing standards do you follow?

Our quilted composite geobags can be manufactured according to GB/T 17643 (Chinese national standard), ASTM D6693 (American standard), or any customer-specified standard. We provide a Certificate of Analysis (COA) with each shipment, including test reports for weight, dimensions, tensile strength and seam integrity.

Q7: How are the bags shipped to the construction site?

The bags are packed on pallets for easy handling and transport. The quantity per pallet depends on the bag weight. A standard 20-foot container (20GP) can hold approximately 10 to 15 tons of bags. The bags fold flat for compact storage, which maximizes container loading efficiency and reduces shipping costs per unit.

Q8: How do you install quilted composite geobags on site?

The installation process is straightforward:

  1. Transport: Deliver palletized bags to the construction site
  2. Open: Open the filling window on one side of the bag
  3. Fill: Fill with sand or soil using an excavator (0.3-0.5 m3 per bag)
  4. Close: Sew or tie the opening closed
  5. Place: Stack bags in position using a brick-bond pattern for stability
  6. Vegetate: For ecological projects, spread seeds on the green nonwoven surface

The entire process is efficient and can be completed with standard construction equipment. One excavator team can fill and place 50-100 bags per day depending on site conditions.

Q9: What is the minimum order quantity and delivery time?

The standard MOQ is 500 pieces, which is negotiable for initial orders or samples. Standard delivery time is 15 to 20 days depending on order quantity and customization requirements. For urgent orders, we can arrange expedited production.

Q10: Do you provide samples before ordering?

Yes. We provide 2-3 free samples for quality evaluation. The buyer only needs to cover the international courier fee (typically USD 30-50 depending on destination). Sample bags are shipped within 3-5 working days.

Need More Information?

For technical specifications, pricing or project consultation, please request a free quotation or email us at info@synhens.com. Our technical team will respond within 24 hours with tailored recommendations for your project.