Dietzgen 20 LB. Blue Tinted laser media is an economical sulfite bond for checkplots and non-permanent applications. This all purpose paper is excellent for detailed printing and imaging. Our products are designed to meet the productivity requirements of your equipment no matter which brand or manufacturer you use; from low volume to high output production systems. Weight - 20LB. Opacity - 91% Caliper - 3.9MIL Smoothness - 150 Core - 3"