National® Computation Book, 4 x 4 Quad Rule, 11.75'' x 9.25'', Brown, 150 Numbered Pages SIZE:75 count 256-bit Encryption Standard - 5

256-bit Encryption Standard - 5 Year Warranty

Optimized field of view and custom focal adjustments

Soft ear pads are included for maximum comfort and to provide long music listening enjoyment

UPF 50+ sun protection

100-sheet rear paper tray

National® Computation Book, 4 x 4 Quad Rule, 11.75'' x 9.25'', Brown, 150 Numbered Pages SIZE:75 count 256-bit Encryption Standard - 5The National Computation Notebook contains perfect binding with a brown, flexible pressboard cover. The Green Eye Ease paper makes reading and recording easier on the eyes and helps avoid eye strain. 150 numbered pages, with 4 x 4 quad ruling, and made with 100% post consumer recycled paper.