HP Professional Business Paper Glossy 48 lb 8.5 x 11 in. (216 x 279 mm) 150 sheets. Finish type: Gloss, Media weight: 180 g/m², Weight: 3.59 lbs (1.63 kg). Package weight: 3.75 lbs (1.7 kg). Package dimensions (WxDxH): 9.37 x 12 x 1.31" (238 x 304 x 33.3 mm), Media sheets per package: 150 sheets, Non-operating relative humidity (non-condensing): 5 - 90%