12X18 4 Mil 500/CTN Flat Poly Bag

These heavy-duty 12 x 18 flat poly bags deliver the protection and clarity your packaging operation demands. Built from 100% virgin LDPE at a thick 4 mil gauge, they provide over three times the impact resistance and twice the tensile strength of conventional low-density polyethylene bags. Designed for food service, retail, pharmaceutical, and industrial applications, these USA-made bags handle everything from bulk food items to precision hardware components — all with the consistent quality and reliability Prism Pak is known for.

Size: 12" x 18" | Thickness: 4 mil | Material: 100% virgin LDPE | Quantity: 500 bags per carton | Compliance: FDA food-contact compliant

• Heavy-duty 4 mil thickness provides over 3× the impact resistance and 2× the tensile strength of standard poly bags, shielding contents from tears, punctures, and crushing damage in transit, handling, and long-term storage.
• 100% virgin LDPE resin — no recycled content — guarantees consistent clarity, structural integrity, and material purity in every single bag, giving you dependable results batch after batch.
• FDA food-contact compliant material makes these bags safe for direct contact with food products, baked goods, fresh produce, snacks, spices, and a wide range of consumables.
• Crystal-clear film showcases product contents, labels, and barcodes for professional retail presentation, fast inventory identification, and easy quality inspection at every stage of fulfillment.
• Proudly made in the USA to Prism Pak's rigorous quality standards, ensuring consistent, verifiable performance you can rely on across every carton you order.
• Heat-sealable construction lets you lock in freshness, create a tamper-evident closure, or secure contents for safe transit — making these bags adaptable across food, pharmaceutical, and specialty packaging applications.
• In stock and ships within 24 hours so your production line, retail floor, or fulfillment center keeps running without costly delays waiting on supply replenishment.

Where it works best:

• Food service: portioning cookies, baked goods, candies, dried spices, herbs, coffee, tea, produce samples, and bulk food items for retail or food-safe distribution.
• Retail and e-commerce: apparel accessories, greeting cards, photos, promotional samples, small gift sets, craft supply kits, and collectibles requiring clear display.
• Medical and pharmaceutical: disposable accessories, first aid kit contents, supplement packets, sterile supply packaging, and single-use protective items.
• Industrial and hardware: nuts, bolts, screws, fasteners, electronic components, small parts kits, sub-assemblies, and precision components requiring moisture and dust protection.
• Floral and crafts: fresh-cut stem bundles, corsage supplies, floral accessories, ribbon spools, and craft materials that need moisture-resistant, clear packaging.

Solves key pain points: Damaged inventory and poor product presentation cost businesses time, money, and customer trust. These 4 mil flat poly bags solve both problems in one practical solution. The reinforced LDPE construction resists tears, punctures, and moisture intrusion at every stage — from the packing station through final delivery. Crystal-clear film keeps your products visible and presentation-ready whether they're on a retail shelf, in a fulfillment center, or at a customer's receiving dock. With heat-seal capability and FDA food-contact compliance built in, these bags remove the guesswork and give your team a reliable, multi-purpose packaging solution they can reach for every day.

Stock your operation with a performer you can count on. Order your 500-count carton today — these bags are in stock, ship within 24 hours, and arrive ready to go to work immediately. Strong, clear, compliant, and made in the USA. That's the Prism Pak standard.