Arrived in time - bend like hell. Mat is to thin and moves spikes are way to short to have any effect. Chair wheels dent the mat very heavily - makes moving the chair around difficult at times. Does not work well on thicker carpets. Not worth the money.
I already did a review on this obviously it was lost in your system. For the price it’s a good value for at home offices I suggest however tomhave one similiar with longer studs on bottom to better support thru standard carpet with regular pile