Eliminates the need for a fax cover sheet. Helps save you time and money by reducing transmission time and long distance charges. Won't jam fax machines. 1.47 x 4 in. (3.7 x 10.2 cm) pad fits in small space on document; 3.94 x 8.38 in. (10 x 21.3 cm) pad gives you more room for comments, time and date.