Flat Poly Bags 18″ x 24″ 3 mil 500/CTN

Blueprint & Technical Drawing Poly Bags — 18 x 24 in., 3 mil LDPE

These flat poly bags are purpose-sized for architectural drawings, engineering blueprints, and large-format technical documents at the standard 18 x 24 inch format. The 3 mil wall provides firm protection against moisture, abrasion, and folding damage during jobsite transport, archival storage, and client delivery. Open-end design allows rolled or flat documents to slide in and out without creasing.

Specs: 18 x 24 in. | 3 mil | Virgin LDPE | 500/Carton | FDA Compliant

Applications

• Architectural and engineering firm document protection
• Blueprint and construction drawing distribution to jobsite
• Permit drawing archival storage at municipalities and contractors
• Large-format print shop packaging for client delivery
• Trade show and signage sample transport

Features

• 3 mil nominal thickness — firm moisture and abrasion barrier for flat documents
• Open-end design accepts rolled or flat 18×24 drawings without folding
• Compatible with heat sealing, tying, stapling, or taping for secure closure
• Virgin LDPE resin — no surface impurities that could transfer to printed media
• FDA compliant for food-contact applications

Material Notes

Manufactured from 100% virgin Low Density Polyethylene (LDPE) resin. LDPE at 3 mil provides a stiff yet flexible moisture barrier well suited for flat document protection. The clean, unrecycled resin minimizes surface irregularities that could mark or transfer to ink-coated print media. All gauge specifications are nominal.

Use Case Notes

18 x 24 inches is a standard architectural drawing size (ANSI C). These bags fit this format with margin for clean handling. For rolled drawings, the 18-inch opening accommodates standard tube diameters when the bag is used without rolling. For bundled sets, multiple sheets can be stacked flat.

Common Questions

Q: Will these bags fit standard 18×24 architectural drawings?
A: Yes. The bag dimensions are nominal; the interior accommodates standard ANSI C (18 x 24 in.) drawings flat with room for easy insertion and removal.

Q: Can I use these bags for rolled drawings?
A: Yes. The 18-inch open end accepts most rolled 18×24 drawing tubes. For large-diameter rolls, verify the tube diameter fits within the bag opening before ordering in bulk.

Q: Are these bags reusable for archival storage?
A: Yes. Virgin LDPE does not off-gas or become brittle under normal storage conditions, making these suitable for long-term archival use when properly sealed.

Why Buy

Packed 500 per carton, these bags support high-volume document handling for architecture firms, engineering offices, print shops, and municipal plan rooms. The 18×24 format eliminates the need to source oversized bags and trim or fold drawings to fit, preserving document integrity from production through final delivery.