Mead A2 Invitation Envelopes measure 4 3/8" x 5 3/4" and are sized to fit an 8 1/2" x 11" sheet folded in quarters or a standard size invitation. Keep these versatile invitation envelopes on hand for use at home or the office. Features premium, 24 lb. , white wove stock. Executive style with a diagonal seam and V-flap construction. Quality envelopes form a strong seal when moistened to keep contents secure. 100 envelopes per box. Made in the USA.