Kraft #10 Business Envelopes 4-1/8 x 9-1/2 V-Flap Design (50 Pcs), by Secret Life Ideal for Home & Office - Windowless Premium Quality Mailing- 84Lb The pack come with 50 pieces of Kraft natural envelopes, Each set are carefully packed for you to receive perfect condition product. The envelopes are exactly measured 4 1/8 x 9 1/2 inches, which make them official #10 Envelope size, 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. 2018 NEW SIZE - These envelopes are made with 84 lb (125gsm) Premium card Kraft card stocks, not flimsy at all.