Brand: Ritek Pro (Professional Archival Grade). Type: CD-R. Speed: 52X. Capacity: 700MB. Recording Time: 80 min Audio. Part Number: R80JS52-RTPSSN-100T. Recording Layer: Phthalocyanine Dye. Surface: Shiny Silver. Compatible with most screen thermal printers in the professional market and Rimage Prism. Extreme Low Block Error Rate (BLER). This disc is designed for professional market by using highest quality manufacturing. It allows you to burn whole disc completely without any flaw. Quantity: 100 Pack. Packaging: Tape Wrap