A light thermally insulating waterproof sit mat by multimat that ensures a comfortable dry floor seatcolour received may varya portable sit mat from multimat ideal for use whilst camping trekking backpacking or at any outdoor event multimat use carefully selected foams from worldwide sources to ensure optimum performance this mat is made in tough durable high density polyolefin foam which is a non toxic environmentally friendly material as the mat is lightweight at 40g thermally i