Show-me EXTRA Large Bulk Pack of Medium Tip drywipe markers with black ink.Each pen benefits from: a slim barrel with easy fit lid, an extra-hard nib that will not easily splay out, and nib-stop that prevents the tip from being pushed into the barrel.This EXTRA Large Bulk Box contains 800 medium tip drywipe markers with black ink.Buying in bulk can furnish a whole school rather than buying lots of smaller boxes. Perfect for the educational sector, this is the most economical choice without compromising on quality.