Pennsylvania Past Master Apron - Past Master Apron is made to Pennsylvania regulations. It is 13 x 15 inches. Made of Lamtex and trimmed in Cadet Blue. Price includes up to 3 numbers on flap. Comes with an adjustable belt. The cord & tassel is sewn under the flap and hangs down. This apron comes with the masters square with the 47 problems of Euclid.