Do you have something to say? Want to create announcements and invitations instantly? Spread the word with these Avery 4"X6" Laser Postcards. . Eye-catching engagement announcements, business ads, coupons and invitations are yours for the creating. Just use free templates from avery.com to combine color, graphics and text into a unique design. Then print, apply the required postage and let the postal service do the rest. Your recipients will receive professional-looking postcards worth talking about.