Ideal large notebook for fieldwork anywhere moisture or chemicals may be a problem
Flexible, durable blue polyethylene cover with sheets permanently bound in a spiral binding
Polyolefin pages accept many inks including markers, ballpoint, gels and technical markers
Printed on both sides with a fine, green 1/4 inch grid and numbered 1 through 96
Sheets resist many solvents including acetone, formaldehyde, formalin, xylene, acetic acid and ethanol