- Can be dry-wiped from whiteboards and surfaces like glass and porcelain without leaving a trace - Fast-drying, low odour - Locked tip - Stand-up STAEDTLER box - DRY SAFE – can be left uncapped for days without drying up (Standard atmosphere according to ISO 554) - PP barrel and cap guarantee long service life - Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraft - Xylene and toluene-free ink - Refillable