These 9" x 12" white first class envelopes offer great quality at an economical price. They are made of a crisp 28 lb.white wove stock and feature pre-printed "First Class Mail" markings. They are perfect for mailing first-class documents. The peel and stick closure is self-adhesive and makes sealing the envelope simple. The opening is on the 9" side. These 9" x 12" white first class envelopes are priced and shipped per box of 500.
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