Norbert's Athletic Products GF-862 Gymnastics Folding Blue Mini Bar Mat, 4' x 6' x 4" This folding 4' x 6' x 4" mat narrow enough for use under our and other makers bars Mini Bar Mat is covered with durable 18 oz. coated vinyl and filled with 4" thick 70 ILD polyfoam Folds in half for easy transportation and storage