Secret Life Kraft Invitation Envelope A6 Size 100 Pcs 4 3/4" x 6 1/2" Inches The pack come with 100 pieces of Kraft natural envelopes, each set are carefully packed for you to receive perfect condition product. The envelopes are exactly measured 4-3/4 by 6-1/2 inches, which make them official A6 size which fit 4 x 6 size Card , All Envelopes are executive style diagonal Seam V-Flap construction. The Seal is designed to be moisture activated gummed seal, a little moisture goes a long way, convenience self sealing. These classic style Euro Flap Envelopes are made with natural Brown recycled fibers, they have contour flap that give each envelope a sleeker and more elegance look. Prefect for party, thank you cards, wedding, announcement, it's always good to have some of these on hand. These envelopes are made with 84 lb (125gsm) Premium card Kraft card stocks, not flimsy at all.