LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) are perfect for party invites/thank you cards/wedding invites/announcements/5x7 photos, sold as 50 per box.Opening: Square flap.Choose from an assortment of delightful colors and send your next invitation or letter in style.Dimensions: 5 1/4"L x 7 1/4"W.Laser printer compatible.Material: Paper.A modern way to convey quality and add personality, with sparkle and shimmer that stands out.Paper weight: 80 lbs..Size: A7 (5 1/4" x 7 1/4").Boasting a smart-looking square flap, the A7 envelope fits inside envelope sizes A8, A9, A10.A7 Invitation Envelopes (5 1/4 x 7 1/4) are perfect for party invites/thank you cards/wedding invites/announcements/5x7 photos.Looks amazingly like the metal or mineral the color is named for.A7 style is a multipurpose envelope, ideal for social and announcement functions, it may also be utilized as an outer envelope for invitation purposes.Closure: Peel and press.Comes in Silver Metallic, 80lb. Text Paper.Peel & Press Sealing Method.Finish: Smooth.Silver metallic.LUX Size A7 envelope in silver metallic color measuring 5 1/4" x 7 1/4" has basis weight of 80 lbs features a smooth finish and is sold as 50 per pack..A7 Silver Metallic Invitation Envelopes (5 1/4" x 7 1/4") are shimmery, silver colored envelopes made from high-quality 80lb. paper stock. Perfect for invitations, announcements, cards, notes and holiday mailings, this envelope features an elegant square back flap. The A7 is easily sealed by a Peel & Press strip located on the inside of the back flap, and its dimensions make it the ideal 5" x 7" card and photo envelope. For social and invitation purposes, the A7 is also a great outer envelope as it easily fits smaller A size envelopes inside (A1, A2, A4, A6). Available plain, or printed for customization, branding and creative uses, starting in small quantities of 50 to large quantities of 50,000 and more.