This roll of Universal Satin Photo Paper from HP is a large format paper designed for use as a high quality display material with a basis weight of 200 gsm. Also, it has an opacity of 95%, a brightness of 89%, and a whiteness of 105%. The Universal Satin Photo Paper features a satin surface finish and will dry in less than 10 minutes. It comes on a 2" core and will last for 2 years unopened.