JAM Paper® Paper Bag Brown Kraft Recycled 4Bar A1 Invitation Envelopes measure 3 5/8 x 5 1/8 inches in size and are made out of 100% recycled slightly textures paper! These eco-friendly envelopes feature rectangular straight flaps and secure gum closures. This pack contains a total of 25 envelopes. Their natural brown color makes them suitable for mailing any type of mail to any recipient. Their environmentally safe construction allows you to save trees in the process! These envelopes have a comforting and vintage appearance. Use them for greeting cards invitations response cards holiday cards and more! Size: 3 5/8in x 5 1/8in | Color: Paper Bag Brown Kraft Recycled | Quantity: 25