The Origami Mat from STRATEGY looks like an average mat at first sight, but this brand new design has 3 functions. It can be used as a standard mat, but also as a weigh sling and/or an oval mat with raised edges. To make this oval mat, simply unzip the velcro and attach it in the designated places. - Water resistant PVC inner material - Heavy duty water resistant exterior - Metal D-rings to use when weighing