Life By Design's Chemistry Student Lab Write-in Notebook is a portable write-in notebook/journal for note taking in the laboratory. The notebook is blank and consists double side quad ruled lines with 8.7mm square grids. Fun to write-in, soft-white acid free paper with unique cover design that will set you apart from other quad ruled notebooks. The notebook is a non-duplicate journal however compensates for its unique design with permanent bound pages to last longer than spiral bound notebooks would. Things to love: * With conversion tables and charts. * 102 (204 blank pages). * Portable (6 x 9 ) notebook size. * Quad ruled, square grid lines. * Double sided pages. * Permanent bound pages. * Stylish, perfect bound softcover design. Great for use in chemistry, pharmacy, or general science laboratory work.