Say it like you mean it with JAM Paper A7 invitation booklet envelopes. Whether you are in the office and need an important message to be seen or have special wedding invitations that you can’t wait for loved ones to see, these booklet envelopes make a statement! Featuring a clean white exterior and eye-catching square shape, your message is guaranteed to be noticed. Place and mail invitations, thank you cards, announcements, photographs, homemade cards, greetings and more. However you use, expect high quality performance and efficacy. This pack contains 500 white booklet envelopes made from 24 lb. paper measuring 5 1/4" x 7 1/4". Each envelope has a booklet opening, straight flap, gum closure, and smooth finish..Envelope Flap: Straight Flap.Made of 24-lb paper.Designed for wedding invitations, greeting cards, holiday cards and more.Acid-free paper resists yellowing and fading.Moisture-activated gummed closure creates a secure seal to help keep contents safe.Finish: Smooth.JAM Paper invitation envelopes are ideal for invitations and greeting cards!.Pamphlets, brochures, booklets, guides, flyers, magazines, catalogs. You can send anything in a White Booklet Envelope. They are a no-fail option for direct mail. Simple high quality envelopes that get the job done. And whats more, they come in an extensive selection. Choose from 17 different sizes to find the perfect fit for your material. Also choose from several different styles and shades of white. Our basic white envelope is available in 24lb and 28lb stock. Booklet envelopes are unique in that they open on the long side of the envelope. Great for all sorts of promotional mail.White Booklet Envelopes have a classic square flap closure. The 4 Bar, A2, A6, & A7 are also available with a V-flap, for sophisticated looking invitations and greetings.White Booklet Envelopes are available in: 24lb stock 4 Bar, A2, A6, A7, 5 1/2 x 7 1/2, A8, A9, 5 3/4 x 8 7/8, 6 x 9, A10, 6 1/2 x 9 1/2, 7 x 10, 7 1/2 x 10 1/2, 8 3/4 x 11 1/2, & 9 x12, 28lb stock - 9 1/2 x 12 5/8, & 10 x 13.