Excellent as permanent, partial or temporary floor for studios or demonstration sites; Made of 2" thick density foam covered with heavy duty polyethylene; Folds away easily into four sections for storage or transportation (Accordion-style); Portable size of 2'x4'x8" thick; 4'x8'x2" thick when spread out; 2" fastening strip at all sides allow 4'x8' addition to desirable area, A fastening strip is connected on the sides not the bottom to allow for seamless connection; Blue color We are shipping these mats from California.. .