To get the best results, you will need to go to the ‘printing option’ before printing and ensure that the ‘page scaling’ option is set to ‘none’ in the print dialogue box. The Perola Wrist Sizer must be printed on a full letter-size (8 ½ x 11 inches) size page. To check that the Wrist Sizer has been printed properly, take a ruler and measure the sample below. It should measure exactly 2 cm.