45 X 53 Extension Right Studded | Clear .200 Inch Vinyl NonStudded Standard Chair Mat | Black .125 Inch Vinyl The sum of the measurements

The sum of the measurements entered into Sides J H F & D must equal the sum of the measurements entered into Sides L & N

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

They also need to equal the measurement entered into Side B

The sum of the measurements entered into Sides G E C & M must equal the sum of the measurements entered into Sides K & I

45 X 53 Extension Right Studded | Clear .200 Inch Vinyl NonStudded Standard Chair Mat | Black .125 Inch Vinyl The sum of the measurementsNeed 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 C & E must equal the measurement entered into Side B. The sum of the measurements entered into Sides D & F must equal the measurement entered into Side A. The Breathe Through Option Chair mats create a great surface to roll on, but when a chair mat is placed on a carpeted