PEN+GEAR Quick Sort Coin Organizing Trays - Color Coded Sorting Trays for Pennies Nickels Dimes and Quarters - 40 Coin Wrappers Included. PEN+GEAR coin sorter trays are super easy to use. Just stack them pour the coins into the trays and shake it trays do the rest by filtering the correct denomination to each pre-assigned tray. Trays are color-coded according to ABA and Federal Reserve denomination standards so make it easy to put Pennies Nickels Dimes and Quarters into coin wrappers simple easy to use and saves time. The compact assembled product height and width makes strage a breeze. Coin wrappers are made of high quality paper that is not only durable but also withstands normal wear and tear in long term storage scenarios.