Selecting the right foam for a packaging application starts with understanding how different materials perform under real shipping and handling conditions. M-Line's engineering team walks through foam types, material properties, and custom design capabilities from standard protective inserts to precision-cut shapes and marked components built for production environments.

Foam

Custom Foam Inserts with Part Numbers and Unique Markings 

M-Line designs and supplies custom foam inserts marked with part numbers, logos, and other unique identifiers making component organization, quality control, and kitting faster and more accurate. See how custom-marked foam inserts support production efficiency and reduce packing errors.

Common Packaging Foam Types Explained 

Not all packaging foam is the same. M-Line breaks down the most common foam types used in protective packaging including polyethylene, polyurethane, EPS, and cross-linked polyethylene foam and explains when each is the right choice based on product weight, fragility, and shipping conditions.

Switching from EPS to Polyethylene Foam 

M-Line walks through a real foam packaging redesign replacing expanded polystyrene (EPS) with polyethylene (PE) foam. Learn why PE is often the better choice for durability, reusability, and product protection, and how M-Line engineers the transition from an existing design to a production-ready solution.

Types of Packaging Foam 

M-Line's packaging engineers explain the different types of foam used in custom protective packaging — covering material properties, cushioning performance, and the applications each foam type is best suited for. A practical overview for manufacturers and distributors evaluating foam packaging options.

 Custom Foam Shapes for Packaging and Parts Organization  

M-Line designs and supplies custom-cut foam shapes for protective packaging and component organization. From die-cut inserts to fabricated foam trays, see how precision foam shapes improve product protection, reduce movement during transit, and support efficient packing and assembly workflows.

Boxes

Corrugated Options for Custom Boxes & Inserts

Learn how flute structure, board weight, and common configurations like regular slotted, full overlap, and pallet cartons affect product protection, stacking strength, and shipping cost when specifying custom boxes and inserts.

Medical Device Packaging Prototype

M-Line designed and built this medical device packaging prototype to show how custom inserts hold sensitive components securely while supporting clean presentation and reliable pack-out. A quick look at how M-Line approaches design and prototyping for regulated industries where product protection and repeatability matter.

M-Line Designs & Supplies Corrugated Boxes & Shapes

M-Line designs and supplies corrugated boxes, pads, and die-cut shapes engineered for product packaging and protection. See examples of how custom corrugated components, from full boxes to internal pads and die-cut inserts, are built around product dimensions, weight, and shipping requirements to keep items secure in transit.

Cases / Reusables

Customized Tool Kits

M-Line Designers & Supplies Unique Custom Cases & Foam Inserts

M-Line Designs & Supplies Custom Wood Crates & Pallets

Custom Case Design

Custom Bags

Field Service Kit SKB Case

M-Line Designs & Supplies Wood Packaging

M-LINE Designs and Supplies Plastic Dividers

M-LINE Designs and Supplies Plastic Corrugated Boxes

M-LINE Designs and Supplies Space Saving Sleeve Packs

M-LINE Designs and Supplies Foam Dividers and Inserts for Reusable Dunnage

M-LINE Designs and Supplies Customized Reusable Plastic Totes

Services

Structural Engineering

Graphic Design

Kitting

Vendor Managed Inventory (VMI)

Packaging Consultation

Warehousing

M-Line's Design & Prototype Process

M-Line's Digital Print Lab

Problem Solving Series

Safeguarding Against Product Shipping Damage

Are You Shipping Products? Take a Bite Out of Packaging Costs

Get the Right Custom Packaging Solution That Is Efficient and User-Friendly

Managing Product Packaging Compliance with Confidence

How Basic Packaging Could Be Holding Back Your Brand

Are You Overspending on Product Packaging Without Even Realizing It?