I have a barely-used tube of Flex Fletch Flex Bond glue, dated March, 2010 - so it's just over a year old. I really like the idea of no expiration date! I needed to refletch an arrow about a month ago, and decided to use this glue. As luck would have it, the first time I shot the just-fletched arrow, two of the three fletches were cut by other arrows. Since two of the fletchings needed replacement, I decided to just redo all three. I used my fingernail to pick at the front of the fletchings, and they were very easy to pull off the arrow, despite the bead of glue I'd put at the ends of the fletchings. Due to how easily the fletchings came off the arrow, I decided not to use this glue - and probably reached the same conclusion a year ago, thus the barely-used tube of glue! I know many people like this glue, but I've not found it to be as good as most of the other glues, with regard to how well it holds.