60 X 72 Double Lip Studded | Black .145 Inch Vinyl 60X60 but when a chair mat

but when a chair mat is placed on a carpeted area

The carpet itself will become discolored and eventually have to be replaced

This problem also arises when the air conditions are very humid

Make sure sides A & B cannot are not larger than the material's sheet size

They also need to equal the measurement entered into Side A

60 X 72 Double Lip Studded | Black .145 Inch Vinyl 60X60 but when a chair matNeed help measuring? Click here to be taken to a tutorial video. Make sure sides A & B are not larger than the material's sheet size The sum of the measurements entered into Sides D F & H must equal the sum of the measurements entered into Sides N L & J. They also need to equal the measurement entered into Side A. The sum of the measurements entered into Sides M C & E must equal the sum of the measurements entered into Sides G I & K. They also need to