Quality Park (formerly IEC) is the world's largest manufacturer of envelopes made of DuPont Tyvek® and specialty paper products. From our wide assortment of items, to our high standards of product quality, to our unparalleled customer service--we're your specialty product source!
We pride ourselves on developing innovative products and designing custom solutions for all your mailing and packaging needs.
Our envelope products are available through Office Products Distributors & Retailers, Paper Merchants, Forms Distributors, and other Envelope Distributors.
