Freemason Apron. Macoy has been making Master Mason aprons for decades. These are the finest examples of everyday use Master Mason apron found. They are 13 x 15 inches. Made in Leather or Lamtex. They are beautifully trimmed in Royal Blue or Medium Blue. The emblems are printed on the apron. This apron comes with Yellow-Gold Silk Chainette Fringe (above shown with cord and tassel tied into a rosette). Tassels not as pictured.