Our Double Mat Program Explained Jun 20th 2017 Myron Arndt Our "Double Mat Program" is one of the popular packages of mats that are ordered regularly by a great variety of Customers. Here is how it works:We take the "cut-outs" from openings in large mats and use them as outer mats in smaller sizes.&n Tags: #double mats #mat sets #mat packages #art mats #photo mats #pre-cut mats