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Superior Printing with Polypropylene Sheets

MDI's plastic sheets are the premium choice for all your indoor and outdoor printing, and graphic art signage needs. Perfect for direct, screen and digital print applications.

Experience excellent ink adhesion, outdoor sustainability, and waterproof, chemical-resistant properties. Our Corona treated sheets come in standard stocked sizes and colors, are easy to cut, route, die-cut, and finish, and we offer low minimums on custom sizes. Plus, they’re recyclable and durable, ensuring long-lasting results.


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  • Corona Treated for Excellent Ink Adhesion

  • Wholesale & Guaranteed Best Price*

  • Stocking Programs Available

  • One Pallet Minimum Orders

  • Resistant to Water, Chemicals and Outdoor Elements

  • Quick Turnaround

Polypropylene Sheets, Packaging & Container Solutions

MDI is a manufacturer of high-quality polypropylene plastic packaging, sheets and containers. Our vertical integration provides:

  • Competitive pricing
  • Quick lead times
  • Enhanced design capabilities

Products can be designed in 3mm, 4mm and 5mm with a variety of color options.

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MDI polypropylene

Some of MDI’s Customers:

Plastic Solutions for All Industries

From mailrooms to warehouses – fruit fields to medical labs – you’ll find MDI corrugated plastic.  Our packaging solutions are used in applications across multiple industries, including logistics, warehouse, manufacturing, agricultural and more.


Standard Products

Made in the USA

MDI distinguishes itself as a high-quality plastics extruder and manufacturer through its commitment to American-made excellence, with four facilities located in Minnesota.

Experts to Help with Custom Packaging

Certain applications require unique accessories (partitions, placards, hand holds, etc), colors and other custom features. At MDI, we’ll help you find a plastic container with the right size, shape and features to meet your unique needs.

Tap into our dedicated sales and engineering team, who are available to help with product design, CAD modeling and CNC prototyping.

Made in the U.S.A.

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