Ensure that invitations, cards and other papers reach recipients in good condition by mailing them in these Staples white gummed-closure invitation envelopes. Keep correspondence clean and undamaged with these white gummed-closure invitation envelopes. Each one features a heavily gummed flap that lets you apply moisture for a tight seal, while the white coloring offers high contrast for labels and text, ensuring easy reading. These Staples gummed-closure invitation envelopes are built with 24-pound white wove material for durability. Invitation envelope keeps your documents flat in the mail. Envelope size: 4 3/8"H x 5 3/4"W. The gummed flap closure keeps your documents secured inside the envelope. V-flap closure. White and made of paper. 250 envelopes per box. Great to use to store items such as invitations. Sold as 250/Box.