Keketer A7 V-Flap colorful invitation envelopes (5.25x7.25 In) in 24lb. These colorful mailing envelopes are perfect for your office or home mailing purposes. This multifunctional envelope is designed like a standard-sized A7 mailing envelope. With a secure, moistenable V-flap which is the ideal envelope if you're looking to mail birthday cards or greeting cards, birthday party, baby shower, fundraiser or weddings invitations, letters, save the 5x7 holiday cards & photos, personal mail and direct mail.