9x18 Flat Poly Bags — 4 Mil, 1000/Case

These 9x18, 4 mil flat poly bags from Prism Pak are engineered for high-demand packaging across food, retail, and industrial applications. Constructed from 100% virgin Low-Density Polyethylene (LDPE) resin and made in the USA, they deliver over three times the impact resistance and twice the tensile strength of standard polyethylene bags. Whether you are packaging food items, long retail products, or hardware components, these bags deliver dependable protection and professional presentation case after case.

Size: 9" x 18" | Thickness: 4 mil | Material: 100% Virgin LDPE | Quantity: 1,000/case | Compliance: FDA food-contact compliant

• Heavy-duty 4 mil strength provides over 3× the impact resistance and 2× the tensile strength of standard LDPE bags, protecting contents through demanding shipping, storage, and handling conditions.
• FDA food-contact compliant materials make these bags safe for direct contact with food products — ideal for packaging baked goods, produce, dry goods, and more.
• 100% virgin LDPE resin delivers consistent clarity, flexibility, and performance with no recycled contaminants, ensuring reliable quality for food, medical, and retail use.
• Heat-sealable design allows you to seal bags for tamper resistance, freshness retention, and a polished, professional presentation.
• Crystal-clear film provides full product visibility for retail display, quality control, and customer-facing packaging where appearance matters.
• Made in the USA by Prism Pak for consistent manufacturing standards and dependable supply chain reliability.
• Versatile 9x18 format accommodates long, bulky, or irregularly shaped items — from loaves of bread and fish fillets to poster rolls and tool kits.

Where it works best:

• Food service: packaging sub sandwiches, bread loaves, fish fillets, bulk pasta, spice blends, baked goods, and produce
• Retail: rolled posters, candles, garment accessories, long craft supplies, gift wrap, and elongated display items
• Industrial: bolts, rods, tubing, gaskets, and elongated hardware or mechanical components
• Medical & laboratory: sterile supplies, test kits, sample collection items, and elongated instruments
• E-commerce: poly-bagging apparel, bundled accessories, and multi-item kits before final packaging and shipment

Solves key pain points: Thin, low-grade bags fail under the weight of dense products or tear on sharp corners — costing you inventory and customer satisfaction. These 4 mil bags are built to hold up. The reinforced LDPE construction resists punctures, handles moisture, and keeps contents secure whether products are headed cross-country or just across the warehouse. The heat-seal compatibility adds a critical security and freshness layer that food service and retail operations consistently rely on. You get protection and professionalism in one reliable package.

Prism Pak's 9x18 flat poly bags are in stock and typically ship within 24 hours. Order a case of 1,000 and keep your packaging line moving without interruptions. Stock up now and experience the Prism Pak difference — American-made quality you can count on, at the speed your operation demands.