Boise Polaris White Premium Multi-Purpose Paper 11" x 17" 500-Ream, designed for all types of offices and high-speed production equipment. Excellent runnability for jam-free printing and copying. Radiant brightness with blue-white shade for crisp text and sharp images. Optimized for two-sided printing and copying with minimal show-through. Ideal for general business documents, reports and proposals, where a quality look and feel is important.