For Immediate Service, call 845-520-4111 - Habla Español

About CSS

About Cambridge Security Seals

Cambridge Security Seals is a privately-held enterprise headquartered in Pomona, New York. CSS is one of the world's leading manufacturers and suppliers of tamper-evident, tamper-resistant, and high-security loss prevention seals, track-and-trace devices, and allied products to meet the growing needs of customers across a wide range of industries.

The company's heralded legacy of dedication to quality, customer service and value provides a blueprint for reliability and security. Cambridge Security Seals commitment to research and development, technology, quality standards, environmental responsibility, and attention to detail fuels its drive to provide security-conscious customers with the products and services they demand from an industry leader.

Cambridge Security Seals is an ISO 9001:2015 certified company. CSS is devoted to cultivating a culture of continuous improvement, ethical conduct, and the unrelenting pursuit of advancement to benefit all its stakeholders, including its employees, local communities, customers, vendors, and shareholders.

Are you ready to order seals?

Order ready-made & customized seals, or you can always talk with one of our expertly trained staff & find exactly what you need

Advantages of Buying Cambridge Security Seals

Cambridge Security Seals are designed and engineered to be the highest quality seals in the industry. CSS plastic seals are constructed of high-density polyethylene (HDPE) or polypropylene, each designed to achieve the appropriate strength and durability for its class. CSS multicomponent seals also feature enhanced temperature-resistant locking mechanisms for increased security.

CSS houses its customer service center on the same campus as its manufacturing, engineering, R&D, and sales departments. This proximity fosters seamless collaboration and communication between departments to ensure all orders are quickly and accurately processed and shipped to meet customer specifications.

The variety of Cambridge Security Seals customization options is unrivaled. CSS offers a wide selection of seal lengths, colors, styles, flag sizes, and tensile strengths. Through multiple printing technologies, CSS provides crisp logos, variable numbering, standard and 2D/QR barcoding, dualside flag printing, and virtually every available font.

CSS plastic seals are manufactured in the USA, ensuring the shortest seal lead times in the industry. Cambridge Security Seals produces custom products on demand, and its quick delivery benefits customers by reducing the requirements and costs of carrying high seal inventories.

Cambridge Security Seals products are uniquely designed to be packaged in smaller, sturdier boxes benefiting customers by reducing shipping costs and storage space needs.

In addition to providing the highest quality, shortest lead times, unsurpassed customization, cost efficient packaging, and a most dedicated customer service, CSS offers an extraordinarily competitive price structure that ensures its customers the highest value in the security seals industry.

Certifications, Compliance, and Material Specifications




RoHs 3 Compliance

California Proposition 65 Compliance

Conflict Mineral Compliance

REACH Compliance

Material Specifications

Please email your request to

Contact Us

Subscribe to our quarterly newsletter