These 10″ × 13″ reclosable bags feature a white writing block sized to accommodate document-level labeling — sample ID, date, chain of custody notation, or multi-field handwritten data. The 2 mil gauge suits lab submissions, medical records transport, and letter-size document protection where minimal weight is a priority alongside easy reclosable access.
Specs: 10 x 13 in. | 2 mil | Virgin LDPE | Reclosable Zipper | White Writing Block | 1000/Carton | FDA Compliant
Common Applications
- Lab sample submission and chain of custody documentation
- Medical records and chart transport with written patient ID
- Letter-size document protection for mailing or filing
- School and office supply organization with labeled contents
- Field data collection bags with handwritten location or sample codes
Features
- White writing block accepts permanent marker and ballpoint pen
- Reinforced side-welded zipper locks in a single smooth motion
- 2 mil wall — lightweight for document and paper contents
- 10″ × 13″ accommodates standard 8.5 × 11 letter-size documents
- Reclosable construction allows repeated access without bag replacement
- 1000 per carton — sized for lab, medical, and office volume use
Material Notes
Made from 100% virgin Low Density Polyethylene (LDPE) resin. Flexible and moisture-resistant at 2 mil. Nominal gauge — actual thickness may vary within standard manufacturing tolerances. FDA compliant for indirect food contact.
Use Case Notes
The 10″ × 13″ format accommodates standard US letter-size (8.5 × 11 in.) documents with clearance for the zipper closure. The 2 mil gauge is appropriate for non-abrasive paper and soft contents where puncture resistance from sharp items is not a concern. For contents with sharp edges or hardware, consider the 4 mil version in this same format.
Common Questions
Q: Are these suitable for chain of custody evidence documentation?
A: Yes. The white writing block provides a dedicated labeled area for case number, date, collector name, and initials — standard for light document evidence packaging in many protocols.
Q: Does the white block size accommodate full sample ID data?
A: Yes. The block on the 10 × 13 format is proportionally larger than on smaller sizes, typically accommodating 4–6 lines of handwritten data.
Why Buy from NFC Bags
Available in carton quantities of 1000. Virgin LDPE resin, reinforced zipper, and white writing block — priced for lab, medical, and document handling operations.






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