Guarantee 7 years Tile Size 50cm x 50cm Tiles per box 16 Construction Ribbed Needle Felt Pile Composition 100% Polypropylene Solution Dyed Pile Height 2.8mm Pile Weight 750g/m2 Total Thickness 7.1mm Total Weight 4200g/m2 Backing Graphlar® Fire resistance (EN 13501-1) - Anti-static rating (ISO 6356) < 2 kV Wear classification Class 22 General / Medium / Domestic