400# 600# 800# 1000# 1200# sandpaper sheets are made of grit sandpaper. 1 Box 400# Sandpaper. 1 Box 600# Sandpaper. 1 Box 800# Sandpaper. 1 Box 1000# Sandpaper. 1 Box 1200# Sandpaper. Each box contains 20 sheets, reusable, with protective flim on back, pls tear and use.
