This 30" x 75' roll of Premium Satin Canvas from HP is a large format printing solution for high quality imagery and graphics. It is a durable canvas material with a heavy basis weight of 381 gsm and a thickness of 18.2 mil. Also, it features an opacity of 95% ±3 and a whiteness >97% with a satin surface finish. During normal use it will dry in about 5 to 8 minutes and can be stored unopened for about 2 years.