Quality Park A6 Invitation Envelopes with Gummed Closure, 4-3/4 x 6-1/2" 24 lb White Wove, Ideal for Invitations, Photos, Wedding Announcements, RSVPs and Greeting Cards, 500 per Box (36426) SQUARE FLAP: Square Monarch flap gives these envelopes a beautiful modern style for all your stationary needs. SIDE SEAMED GUMMED FLAP CONSTRUCTION: Quality Park's Invitation envelopes have a moisture activated GUMMED seal allowing you to send invitations, photos, announcements, RSVPs and greeting cards with confidence and professionalism. PREMIUM 24LB STOCK: manufactured from premium 24 lb. white wove stock for a high quality feel. Perfect for adding a touch of elegance to social stationary. PRINTER COMPATIBLE: the A6 invitation envelope is designed for use with both inkjet and laser printing, allowing you to quickly process bulk mail or customize, saving you time and money. 500 ENVELOPES IN EACH BOX: provides a great value to ensure that you have enough for all your invitation, photo, announcement, RSVP and greeting card needs!