Ilford Premium Lustre 270gsm 12.7x17.8cm 50 Sht. Print media weight: 270 g/m², Paper dimensions: 12.7 x 17.8cm. Operating relative humidity range: 30 - 70 %, Operating temperature range (T-T): 15 - 25 °C, Storage temperature range (T-T): 15 - 25 °C