Plain white envelopes are ideal for use in the home or at the office. Seal with gummed flap. Traditional gummed-adhesive V-flap closure. Ideal for use in either the home or at the office. Weight: 20 lb. Envelope type: #6 3/4. Substantial business-weight paper. Tastefully attractive smooth finish. Self-adhesive seals make mailing more efficient and professional. Color: white. 100 envelopes per box. Sold as 100/Box.