It is common today for most flooring manufacturers to void their warranties unless you use floor protectors; such as chair mats. This is because without protection mats, rolling office chairs damage surfaces by ripping carpet or scratching hard floor Made from strong polycarbonate – the material used for aircraft windscreens and bulletproof glass. 100% recyclable. Child and pet safe. Greenguard certified Protects hard floors from damage caused by moving chair casters. Sits under any large, medium or small computer desk Polycarbonate will not crack, curl, discolor or smell. Lies flat and stays flat. Chair wheels will not sink into this mat under normal use Lies perfectly flat straight away and has an easy glide surface to help reduce leg fatigue. A perfect protector for vinyl, hardwood, laminate, wood, stone, tiles and concrete flooring, whilst keeping both under and around your desk tidy Smooth back finish suitable for use on hard floors and Carpet Tiles. Not suitable for use on carpets. Product Size – Rectangular 60″ x 118″ Floortex Ultimat Polycarbonate provides the ultimate in quality, clarity and durability. Provides ergonomic benefits for chair users by providing easy glide movement and reduced leg fatigue. No cracking, no curling, no dimpling, no yellowing, no smelling. Free of toxic chemicals and PVC. Polycarbonate mats can be used immediately, unlike PVC there is no need to wait for the product to lie flat.