160um (total thickness), 50um (film thickness) 
Matte type that is inconspicuous even when applied to paper. 
A gentle adhesive type that can be removed cleanly even when removed. 
You can also write with pencils, ballpoint pen, etc. 
The yellow backing has a 0.2 inch (5 mm) grid rule, making it very convenient for cutting with a cutter or scissors. 
The film itself is transparent with a matte feel.