Canson XL Bristol is a heavyweight, bright white, acid-free bristol paper that provides great contrast for both wet and dry media such as inks, graphite, colored pencils, markers, pastels — even light washes. Smooth or vellum. Erases well. 100 lb (260 gsm). 19" × 24" sheets. - Canson XL Bristol - Single Sheet, 19" x 24", VellumCanson xl Bristol, VELLUM 19X24 SHT -