Metal Flat Seal (MFS)

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The CSS Metal Flat Seal (MFS) is a fixed durable steel strap designed to provide an economical solution for securing cargo in storage and transit. The fixed length metal strap seal can be embossed with a company name and consecutive numbers. This is a low cost solution ideal for securing trailers. The seals are made out of tinplate and measure a total length of 8 ¾".

🔒 Key Features:

High security: 90lb tensile strength and double-locking mechanism
Eco-friendly: Fully recyclable tin plate steel construction
User-friendly: Tool-less application, fits tight spaces

Available in green, yellow, orange, blue, and red, with custom colors and logos offered for high-volume orders.

MOQ for customization: 5,000 seals

Secure your assets with confidence—backed by Cambridge’s industry-leading quality and customer service.

For quantities higher than 10,000 seals, please contact us via info@cambridgeseals.com or 845-520-4111.

IN STOCK	Silver metal
LENGTHS	Total Length: 8.75” Operational Length: 7.25"
NUMBERING	Standard, sequential, 7 digits
IMPRINT	"SEALED" for numbered only
IMPORTANT	Please see the data sheet or contact our concierge team of experts to ensure fit-for-purpose and that your expectations are met.

Ordering

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Features & Benefits of the Metal Flat Seal (MFS)

Inventory Program

Our Inventory Program streamlines your inventory, providing you with efficient, smooth operations. Our expert seals product team manages your fully customized orders, Just-in-Time, ensuring optimal supply and seamless shipments.

Innovative Tray Packaging

CSS packaging is custom-designed to suit every purchase order using our innovative tray system. Each box features a uniquely tailored tray for seamless distribution, making handling a breeze. Enjoy compact efficiency and organization with 10 units per tray.

Customizable

Customizable options include colors, lengths, and tear-off features. Enjoy fully personalized customizations, such as tail length, tail thickness or diameter, QR or barcode numbering, and logos to match your specific brand and business needs.

Recycled Material Option

CSS embraces sustainability and Green Manufacturing by offering eco-conscious plastic and reusable seals. Customers have the option to order seals made from 100% recycled materials - adjusting our environmental impact without compromising quality.

Traceability

Traceability in your supply chain gives you greater control and transparency in your chain of custody, and thus, it can decrease liability and streamline operational processes. The seal tells a story.

Seal Strength

CSS products are engineered for appropriate tensile strength per seal application, striking the perfect balance between robust strength and flexibility, ensuring training-free, easy use with the right combination of strength and material properties.

Tamper-Evident Metal Flat Seal (MFS)

The Metal Flat Seal (MFS) by Cambridge Security Seals is a high-strength, tamper-evident solution ideal for securing trailer doors, containers, railcars, cash-in-transit units, and more. Crafted from durable tin-plated steel, this fixed-length seal features dual locking barbs that provide an audible “click” for easy confirmation of proper engagement and resistance against tampering or manipulation.

Its narrow design allows it to pass through tight slots, making it versatile across a wide range of applications. The MFS is easy to apply by hand—no tools required for sealing—yet removal requires metal shears, ensuring a high level of security.

Metal Flat Seal (MFS)