 3 Mil Lay Flat Poly BagsPremium-grade, food-safe poly bags for versatile packaging needs Our 3 mil lay flat poly bags are crafted from 100% virgin Low Density Polyethylene (LDPE) resin that meets FDA/USDA specifications for direct food contact. These durable, crystal-clear bags provide reliable protection for food products, industrial parts, samples, and retail items. Key Features: - 3 mil thickness - strong yet flexible
- Heat sealable for tamper-evident closures
- Compatible with bag ties, twist ties, or impulse sealers
- Crystal clear for product visibility
- Moisture and dust resistant
- Available in stock sizes for immediate shipment
Wholesale pricing available. Perfect for food service, manufacturing, retail, and e-commerce packaging. |
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Why Choose 3 Mil Lay Flat Poly Bags?3 mil poly bags strike the ideal balance between strength and flexibility. Thicker than standard 2 mil bags but more economical than 4-6 mil options, they're perfect for everyday packaging applications where durability matters. Common Uses for 3 Mil Poly Bags- Food Packaging: Bakery items, candies, dried goods, produce, frozen foods
- Industrial: Hardware, fasteners, small parts, electronics components
- Retail: Apparel, crafts, gifts, samples, promotional items
- Medical/Lab: Specimen transport, supply storage (non-sterile)
- E-commerce: Product protection during shipping
What Does "Lay Flat" Mean?Lay flat poly bags (also called flat poly bags or polyethylene bags) arrive unfolded and open on one end. Unlike gusseted bags, they have no expandable sides - making them ideal for flat or compact items. They're easy to fill, seal, and stack. How to Seal 3 Mil Poly BagsThese versatile bags can be closed several ways: - Heat sealing: Use an impulse sealer or hand sealer for permanent, professional closures
- Twist ties: Quick, reusable closure for non-critical applications
- Bag ties: Colorful options for retail display
- Tape: Simple adhesive closure (not food-safe seal)
Heat sealers and closure accessories sold separately. FDA Food Safe CertificationAll our 3 mil lay flat bags are manufactured from virgin LDPE resin meeting FDA 21 CFR 177.1520 and USDA guidelines for direct food contact. This ensures they're safe for packaging: - Dry foods (grains, nuts, snacks)
- Baked goods (cookies, bread, pastries)
- Frozen items (meats, vegetables)
- Produce (fruits, vegetables)
Note: For high-fat or acidic foods requiring extended storage, consult our team for specific food-safe recommendations. 3 Mil vs. Other Thicknesses| Thickness | Best For | Strength |
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| 2 mil | Lightweight items, temporary storage | Light duty | | 3 mil | Food, parts, retail - most versatile | Medium duty | | 4 mil | Heavy items, long-term storage | Heavy duty | | 6 mil+ | Industrial, sharp objects, extreme protection | Extra heavy |
Wholesale & Bulk PricingPrism Pak offers competitive wholesale pricing on full case quantities. Volume discounts available for large or recurring orders. Need custom sizes or printing? Contact our team for a quote on custom poly bags tailored to your specifications. Fast, Reliable ShippingMost stock sizes ship same-day or next-day from our warehouse. Standard ground shipping typically delivers within 3-5 business days. Expedited options available for urgent orders. Questions about which size or thickness is right for your application? Our packaging experts are here to help. Call 1-570-709-0366 or email us at [email protected]. 3 Mil Lay Flat Poly Bags: Frequently Asked QuestionsWhat is a 3 mil lay flat poly bag?A 3 mil lay flat poly bag is a flat, open-top polyethylene bag with no side or bottom gusset, made from film 3 mil (0.003 inches) thick. Prism Pak stocks 3 mil lay flat bags made from 100% virgin LDPE resin, sold by the case at wholesale pricing and shipped from stock sizes. Are 3 mil poly bags food safe?Yes. Our 3 mil lay flat poly bags are made from 100% virgin low density polyethylene (LDPE) resin meeting FDA 21 CFR 177.1520 and USDA specifications for direct food contact. Common food uses include baked goods, candy, dry goods, produce, and frozen items. What is the difference between 2 mil and 3 mil poly bags?3 mil film is 50% thicker than 2 mil film, so it resists punctures and tears better and is rated medium duty rather than light duty. 2 mil bags cost less per bag and suit lightweight, short-term packaging; 3 mil is the more versatile choice for food, parts, and retail items that need real protection. What are 3 mil lay flat poly bags used for?3 mil lay flat bags are used for food packaging (bakery items, candy, dried goods, produce, frozen foods), industrial parts such as hardware, fasteners and electronic components, retail items like apparel, crafts and samples, non-sterile medical and lab supplies, and e-commerce product protection during shipping. How do you seal a 3 mil poly bag?Heat sealing with an impulse or hand sealer gives the most secure, tamper-evident closure on a 3 mil poly bag. Twist ties and bag ties are quick reusable alternatives, and packaging tape works for light-duty closures. Heat sealers and closure accessories are sold separately. Can 3 mil poly bags be used in the freezer?Yes. LDPE film stays flexible at freezer temperatures instead of cracking, and the added thickness of 3 mil film gives better puncture resistance for frozen meats, vegetables, and prepared foods than lighter 2 mil bags. Heat seal the bag for the best protection against freezer burn. Do you offer custom sizes or custom printing on 3 mil poly bags?Yes. Prism Pak stocks 3 mil lay flat poly bags in standard sizes for immediate shipment and also manufactures custom-size and custom-printed poly bags with your logo, product information, or handling instructions. Minimum quantities apply to custom runs — contact our team for a quote. |
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