GMP Covers
Tyvek® Transfer Sleeves
Presterilized Cleanroom Specialties
Sterile Cleanroom Apparel
Sterilization Wrapping
About Keystone
In 1925 Keystone Adjustable Cap revolutionized the food service industry with the design and manufacture of the world’s first disposable paper caps. Today, Keystone Adjustable Cap has expanded its product offerings and has rebranded as Keystone Safety and Cleanroom Products
Since our launch, we have held steadfast to our integral beliefs, product quality, competitive pricing, and unsurpassed service. We maintain outstanding business ethics in partnerships with our distributors. This esteem has led to our continued growth and success. Currently, our product offering spans far beyond disposable caps. In addition to our safety apparel, we are proud to offer custom specialty items and exclusive cleanroom products.
UNPARALLELED CUSTOMER SERVICE
You’ll find our staff to be knowledgeable, courteous and efficient in processing your requests – no voicemail, no anonymous person on the other end of the line — a representative whose name you know and who cares about your business. After all, your success is our success.
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Keystone Cleanroom products are made in the USA