Pure Image Poly Cleanroom Paper, 8.5x11, White 22lb, 3-Hole, 250 sheets /ream, 10 reams p/PK, Pure Image, Mfr#: PCIW 1082C-3

Made of Polyethylene Propriatary Binding Technology reduces paper fiber Cleaned and double bagged in class 10 cleanroom Produced in ISO 4 (Class 10 Cleanroom) Recyclable Excellent printability and heat toner adhesion