Purchase these proterra (kraft) colored seed envelopes to store seeds at the end of the season. They can also be used to create personalized seed packet favors as well. Print on them with your inkjet printer or laser printer, or even customize them with a rubber stamp as well. The envelopes measure 3.25 inches wide by 4.50 inches tall when sealed. The flap is roughly a half inch wide, and includes self sealing adhesive glue. Simply close the flap and it will stick and seal. These specialty seed envelopes are designed to keep even the smallest seeds enclosed, such as poppy seeds. They can also be used for a number of other small objects, such as beads, buttons, coins and more.