Rollbahn's striking notebook with the look of sleek stainless steel has a very heavy card stock cover with satin smooth finish that resists water,  fountain pen-worthy grid paper -- lightly rendered for note-taking versatility -- five useful cellophane sleeves bound into the back and an elastic closure. Spiral-bound to lay flat, micro-perforated pages for clean removal.  

5mm x 5mm grid
Five cellophane sleeves in back

Small     
120 pages
4.5 x 5.5"

Large     
140 pages
5.5 x 7"

A5
160 pages
6.5 x 8.5"