This pack of 5 UB-157 Rollerball Pens feature medium tips and liquid pigment ink that protects against document tampering and enables fluid, skip free handwriting.The uni-ball Eye fine contains uni Super Ink, which is fade resistant, water resistant and tamper proof. A unique \'uni-flow\' system ensures a continuous flow of ink right down to the last drop. This pack contains pens with blue ink and is made up of plastic free packaging. . Pack of 5. 0.7mm medium line. Consistent smooth writing. Fade resistant, water resistant and tamper proof ink. Approximate dimensions (mm) H 179 W 110 D 20