Sample Bags Overview :
Ensure the integrity of your critical samples with our premium Sterile Sample Bags. Engineered for the rigorous demands of modern laboratories and field testing, these Sample Bags combine ultimate convenience with dependable sterility.
Each bag features a robust embedded metal wire closure that allows for a quick, fold-over seal, guaranteeing leak-proof transport and preventing contamination. Unlike standard bags, we feature a large, high-contrast white writing area on the surface, perfect for writing sample IDs, dates, or batch numbers with a standard marker without smudging. Made from high-grade, transparent polyethylene, our bags are puncture-resistant and allow for clear visual inspection of the contents.
Specification Table:
| Feature | Specification |
|---|---|
| Material | High-Clarity LDPE (Low-Density Polyethylene) |
| Sterility | Gamma Sterilized (SAL 10⁻⁶) |
| Closure Type | Wire Seal (Metal Tab Fold-Over) |
| Writing Area | White Opaque Strip for Labeling |
| Dimensions | Available in: 4oz, 18oz, 24oz, 36oz (See dropdown menu) |
| Thickness | 3.0 mil to 4.0 mil |
| Certification | ISO 9001, FDA Compliant Materials |
| Temperature Range | -20°C to 100°C |
| Shelf Life | 3 Years (Sterile) |
| Quantity | 100 Bags / Pack (or custom packing) |
Product Advantages
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✅ Certified Sterile: Gamma-irradiated to ensure no microbial contamination for critical lab testing.
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✅ Secure Metal Wire Seal: Provides a 100% leak-proof, airtight closure. Can be opened and re-closed multiple times without losing sealing power.
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✅ Easy Identification: The unique white writing block allows for clear, permanent marking with most pens and markers, eliminating the confusion of writing directly on clear plastic.
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✅ Durable & Transparent: High-tensile polyethylene ensures the bag won’t tear easily, while the clear walls allow for instant visual inspection of the sample.
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✅ Wide Size Range: Multiple capacities available to accommodate liquid, solid, and semi-solid samples.
Application Scenarios :
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Food Safety Testing: Collecting meat, dairy, produce, and swab samples for microbiological testing (E.coli, Salmonella).
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Environmental Monitoring: Water quality sampling, soil analysis, and industrial wastewater collection.
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Pharmaceutical & Biotech: Collecting raw materials, active ingredients, and sterile compounds.
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Veterinary & Medical: Sample transport and storage of biological specimens.
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Agricultural: Seed testing and fertilizer quality analysis.
FAQ :
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Q: Are these bags pre-sterilized?
A: Yes, they are gamma-sterilized and ready to use straight out of the box. -
Q: How do I close the bag properly?
A: Simply squeeze the wire tabs together, fold the top of the bag down 2-3 times, and bend the wire ends over the folds to lock it securely. -
Q: Can I write on the bag with a ballpoint pen?
A: The white writing area is designed for most pens, including fine-tip markers. The ink dries quickly and won’t smear. -
Q: Are these bags safe for frozen samples?
A: Yes, they are constructed from flexible LDPE which remains durable at temperatures down to -20°C. -
Q: Can I use them for liquid samples?
A: Absolutely. The leak-proof wire seal is designed specifically to hold liquids securely without spilling.

