Send memos, forms and other paperwork to co-workers with these 10 x 13-inch brown kraft resealable inter-departmental envelopes.Interdepartmental envelope printing on both sides for more usage. Envelope size: 10"H x 13"W. Envelopes have a square flap with adhesive strip. Brown and made of kraft. 100 envelops per box. Made from 20% post-consumer content .