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Nalgene* Duplex Laboratory Notebook
Pages are printed on one side only. Each page has an identically numbered duplicate page behind it (50 numbered sets/100 note sheets). Duplicate pages are perforated for easy removal. Carbon paper is not supplied with notebooks. Brown polyethylene cover with paper pages. Overall dimensions 8 7/8 x 11 1/4 x 5/8 in. (225 x 286 x 16 mm). Page dimensions 8 1/2 x 11 in. (216 x 279 mm).