Staedtler Lumocolor Permanent Superfine Pen Pack - 4 Colors w/ Stand-Up Box - Red Blue Green Black 313 WP4. This Pen Set from Staedtler comes in a convenient box that can store the pens for a long period of time stands up for easy storage and use and can be carried onto an airplane without leaking. The Staedtler Lumocolor Permanent Superfine Pen Pack - 4 Colors w/ Stand-Up Box is a universal pen for use on almost all surfaces. This Staedtler Pen has excellent smudge-proof and waterproof qualities on almost all surfaces. The ink from the Staedtler Lumocolor Permanent Superfine Pen Pack - 4 Colors w/ Stand-Up Box when kept properly will provide many years of reliable and dependable service. Specifications for Staedtler Lumocolor Permanent Superfine Pen Pack - 4 Colors w/ Stand-Up Box: Manufacturer: Staedtler Color: Blue Green Red Black Additional Features: Permanent Superfine Features of Staedtler Lumocolor Permanent Superfine Pen Pack - 4 Colors w/ Stand-Up Box: Universal pen for use on almost all surfaces Suitable for overhead projection Excellent smudge-proof and waterproof qualities on almost all surfaces Dries in seconds therefore ideal for left-handed users Permanent low-odour ink Lightfast colours: black brown Weatherproof colour black Stand-up STAEDTLER box PP barrel and cap guarantee long service life DRY SAFE can be left uncapped for days without drying up (Standard atmosphere according to ISO 554) Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraft Superb colour brilliancy Line width S - superfine (approx 0.4 mm) Refillable with refill station 487 17 Package Contents: Staedtler Lumocolor Permanent Superfine Pen Pack - 4 Colors w/ Stand-Up Box Staedtler 313 WP4: Lumocolor Permanent Superfine Pen Pack - 4 Colors w/ Stand-Up Box - Red Blue Green Black