The Brownline C2S is the tried and true sturdy base for the C2R daily refill, sold separately. Includes two metal loops to secure the refill throughout the year. Black color, size: 8.25" x 7.25". The C2R Daily Refill (sold separately) features one day on two pages, appointment schedule from 7:00 a.m. to 5:30 p.m. in half-hour intervals, and countdown of days passed and days to come. Brownline Dated Products are produced using acid-free paper to prevent color-change over time and vegetable oil-based inks to help protect the environment.