Description: 【20 Pieces Pack】: This set includes 20 quality conversion chart stickers measuring 5.5 x 8.5 inches each, providing ample supply for multiple workstations and toolboxes, ideal for mechanics, engineers, and DIY enthusiasts who need quick reference guides readily available 【High Visibility Design】: Featuring bold contrasting colors and clear typography, these waterproof vinyl stickers offer great readability without magnification glasses, ensuring instant fraction to metric conversions even in low light workshop environments 【Sturdy Waterproof Material】: Made from sturdy vinyl with sticky backing, these conversion decals withstand grease, oil, and moisture exposure, making them great for workshop use where standard paper charts would quickly deteriorate 【Ideal for Technical Professionals】: Great for machinists, mechanics, and technicians working with both imperial and metric systems, these conversion stickers eliminate calculation errors and save time during precision work requiring accurate measurements 【Universal Application Surface】: Compatible for various surfaces including toolboxes, workbenches, machinery, and walls, these metric conversion charts provide immediate reference wherever measurement conversions are needed throughout your workspace Specification: Material: Vinyl Size Chart: 21.6cmx14cm/8.50inchx5.51inch Package Includes: 20 Conversion Chart Stickers Note: 1.This is not infant toy , please take away from children to avoid eating. 2.Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.