The SeaDek Fish Ruler offers a permanent and attractive alternative to stickers, tape measures, and other measuring devices. Its 6mm thickness and brushed texture ensures it won't fade or break down. Peel-and-stick pressure-sensitive adhesive provides easy installation. This convenient fish ruler also gives you a nonskid surface for holding slippery fish in place during measurement. Brushed texture Peel-and-stick adhesive for easy installation Provides nonskid surface for holding fish while measuring