Fully opened, this lightweight Salty Bones folding fishing ruler measures up to 36" and folds down to just 12.5" in length, allowing it to nicely fit into almost any tackle box. The ruler includes measurement indicators along both the upper and lower edge (US standard), Salty Bones fish art to compare your catch with, as well as state-specific fishing laws and guidelines making this lawstick a handy quick reference guide. To top it off, if this ruler falls into water, no problem - it floats! Please note, Salty Bones lawsticks and lawstickers are accurate at the time of production, however, state guidelines and laws are subject to change and are not set to any schedule. Before setting out, always be sure to check your local fishing and wildlife resource to familiarize yourself with the most recent updates. If you're ever unsure on a catch, use the ruler's QR code (state-specific to the ruler) to visit the state's fishing and wildlife website to look up any changes.