The Rib-Plus Entrance Mat 3X5' Charcoal is a practical choice for entrances, lobbies, schools, offices, retail spaces and commercial facilities. For interior and exterior use. Anti-static mat is mould- and mildew-resistant. Rib design features polypropylene fibres and a heavy duty PVC backing. Charcoal. Size: 36 x 60. Colour: Charcoal. It is suited to everyday home, office, school, shop and facility needs across PEI and Canada.