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Preferred Poly custom poly protection envelopes & sleeves

PROTECT & PRESERVE

CUSTOM POLY PROTECTION ENVELOPES & SLEEVES

OUR PRODUCTS

Preferred Poly Products designs, manufacturers and supplies a range of polyethylene protection envelopes and sleeves.

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PRODUCT RANGE

Preferred Poly Products Sample Collectio
Preferred Poly Products Small Poly Produ

CUSTOMIZED PROTECTIVE SLEEVES TO FIT AN ENDLESS RANGE OF ITEMS

CREDIT CARD, PASSPORT, ATM CARD, & COVID VACCINE CARD PROTECTIVE SLEEVES

Preferred Poly Products CT 8x11 Sleeve.j
Preferred Poly Products CT 3 Fold Brochu

LETTER, AND LEGAL-SIZE ENVELOPES FOR DOCUMENT PROTECTION

TRI-FOLD BROCHURE OR 4" X 9" CARD

PROTECTIVE SLEEVES

Product Range
Preferred Poly custom poly sleeves & envelopes

BENEFITS OF POLY PROTECTION SLEEVES 

Protects documents from moisture

Create an organized and protected archiving system

Sturdy construction protects important papers, photos, receipts, etc.

Transparent material makes for easy content identification

CUSTOMIZATION OPTIONS

We commonly use clear Polyethylene, but we also can have the following colors: Red, White or Blue

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We can make the two sides of the envelope different colors.  For example, we created a 2-color envelope for a tool manufacturer that is 9 1/2 -inches x 14 ½-inches in 8-mil that is red on one side and clear on the other.

Our envelopes can have a thumb cut notch on either the short or long-side, or they can be just plain flush cut with no thumb cut.

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We accept orders as small as 250 pieces but are able to handle substantially larger orders as well.

Customizaton
Preferred Poly, Connecticut

ABOUT US

Preferred Poly Products, formerly known as The Kage Company, has been making polyethylene document protection envelopes, sleeves, and jackets in Manchester, Connecticut for nearly 70 years. 

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About Us

WHY CHOOSE US

QUALITY ASSURED

Our envelopes are made of either 8-mil or 4-mil Polyethylene (8-mil is the most popular). 

BESPOKE CUSTOMIZATION

We pride ourselves on our ability to create custom-size envelopes as small as 2-inch by 2-inch envelope up to 40-inches by 44-inches.

AMERICAN-MADE

All our products are made in the USA with American-made materials. 

Why Choose Us
Preferred Poly producers of custom poly envelopes & sleeves

INDUSTRIES SERVED

Banks & Financial Institutions

Business Offices

Hospitals

Libraries

Schools & Universities

Town Halls and Government Offices

Industries Served

CONTACT

187 Federal Rd

Chaplin, CT  06235

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