When mailing or filing catalogs and sheets that can't be folded, Office Depot large-format envelopes are just right for the job. With this pack, you'll have plenty of envelopes to get the task done. Economical and great for business or home use. Office Depot large envelopes feature a convenient open-end style that provides trouble-free insertion of contents. Fully gummed flap provides a strong, dependable seal. White envelopes are made of crisp white wove material for a substantial feel. Box of 250 envelopes.