The Staples Thermal Fax Paper measures 8 1/2" x 164 and provides improved printing quality to many compatible machines. Staples Thermal Fax Paper has a 1" core and offers an improved printing quality in many different applications. The paper measures 8 1/2" x 164 and is particularly ideal for use in thermal printers as well as in inexpensive or lightweight devices. Length: 164 feet. 1" core. 4 rolls per carton. Quality fax paper suitable for most machines. Great image definition with minimum curl.