LUX Envelope in natural linen color has a peel and a press flap for sealing. Multipurpose envelope with a paper weight of 80 lbs measures A7 (5 1/4" x 7 1/4") and can be used as an outer envelope for invitations, sold as 250 per box..Opening: Square flap.Dimensions: 5 1/4"L x 7 1/4"W.A7 style is a multipurpose envelope, ideal for social and announcement functions.Collection: Linen.Material: Paper.250/box.Paper weight: 80 lbs..Comes in Natural Linen, 80lb. Text Paper.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.Peel & Press Sealing Method.Closure: Peel & press.LUX Envelope in natural linen color measures A7 (5 1/4" x 7 1/4") and is perfect for social or announcement functions, sold as 250 per box..The A7 Envelope (5 1/4" x 7 1/4") in 80lb. Natural Linen is a soft, off-white envelope with a linen pattern. Suitable for sending cards, invitations, announcements, photos, and more. Seal by convenient adhesive strip along square flap. Available printed or plain.