(Thermo Fisher Scientific) Designed for general field use, these papers are unaffected by saltwater or freshwater and resist ultraviolet light, tearing, fraying, curling, aging, discoloration, rot and mildew. Papers accept any writing instrument when dry and accept a No. 2 pencil underwater. Papers roll or fold without cracking and remain flexible at cold temperatures. You can even punch the papers for use in three-ring binders or cut them into labels. Papers also accept type or print from offset or letterpress. PolyPaper® Paper L1547-1is coated for use in photocopiers or computer-based laser printers. Sheets measure 8 1/2” x 11” (21.6 x 28cm).