JAM Paper Brown Kraft Paper Bag Recycled #10 Business Envelopes are a unique and a friendly to the environment alternative to ordinary business envelopes! Each one measures 4 1/8 x 9 1/2 inches in size and is made out of 100% recycled, slightly textured, 28lb paper! These booklet style straight flap envelopes feature gum closures to keep items secure as they travel through the mail. These envelopes are great for 3x folded standard sized sheets of paper. Use them for documents, forms, business letters, personal letters, and any other home or office mailing need! Size: 4 1/8in x 9 1/2in | Color: Brown Kraft Paper Bag | Material: Recycled Paper Send Colorful Greetings in Style Perfect for Mailing & Crafting Pair w/ shades like Fuchsia & Violet