Ilford Gold Fibre Silk 43.2 cm x 12.0 m. Print media weight: 310 g/m², Roll dimensions: 43.2 cm x 12.0 m. Operating relative humidity range: 30 - 70 %, Operating temperature range (T-T): 15 - 25 °C, Storage temperature range (T-T): 15 - 25 °C