HP Premium Glossy Photo Paper-20 sht/A4/210 x 297 mm. Print media weight: 240 g/m², Paper dimensions: 210 x 297 mm. Operating relative humidity range: 20 - 80 %, Operating temperature range (T-T): 10 - 35 °C, Storage temperature range (T-T): 0 - 40 °C. Package dimensions (WxDxH): 238.13 x 14.29 x 298.45 mm, Package weight: 0.38 kg