12x12 Flat Poly Bags - Heavy-Duty 3 Mil LDPE for Records, Crafts & Industrial Use
These 12x12 flat poly bags deliver heavy-duty protection in a versatile square format. The 3 mil thickness provides superior puncture and tear resistance for demanding applications, from protecting vinyl record collections to storing industrial parts with sharp edges. Made from 100% virgin LDPE resin, these bags offer the clarity and durability commercial operations require.
Product Specifications
- Dimensions: 12" x 12" flat
- Thickness: 3 mil (0.003") heavy-duty
- Material: Low-Density Polyethylene (LDPE), 100% virgin resin
- Quantity: 1,000 bags per case
- Compliance: FDA/USDA compliant for food contact
- Origin: Made in USA
Applications
The 12x12 format matches several common commercial and hobby standards. Record stores and collectors use these bags as outer sleeves for 12-inch vinyl LPs, providing dust protection and handling protection during storage and sales. Craft and scrapbook retailers rely on this size to protect 12x12 paper pads, cardstock sheets, and finished pages. Manufacturing facilities package flat components, gaskets, and sheet materials in this square format. The heavy 3 mil construction handles sharp edges, rough textures, and repeated handling without tearing.
Key Features
- Heavy-Duty 3 Mil Construction: Three times stronger than standard 1 mil bags, resists punctures from corners and edges
- Crystal Clear LDPE: High clarity allows product visibility and inspection without opening
- Heat Sealable: Close with standard impulse sealer for tamper-evident packaging or long-term storage
- Food Safe: FDA compliant virgin LDPE meets food contact requirements for bakery items, pizza boxes, and food service applications
- Square Format Efficiency: Perfect 1:1 ratio fits standard shelf spacing and storage systems
Thickness Selection Guide
At 3 mil, these bags are classified as heavy-duty industrial grade. This thickness is recommended for:
- Items with sharp corners or edges (vinyl records, metal parts, glass)
- Products requiring long-term storage protection
- Applications involving repeated handling or reuse
- Heavy items that would stretch lighter bags
For lighter-duty applications like dust covers or short-term storage, consider 1.5 or 2 mil alternatives.
Why Choose Prism Pak
Prism Pak supplies commercial-grade poly bags direct from our Berwick, PA facility. Our 12x12 bags are manufactured in the USA from virgin LDPE resin, ensuring consistent quality and FDA compliance. Wholesale case pricing with fast shipping to operations throughout the Northeast and nationwide.
