Cost-efficient; refillable up to 10 times with guaranteed smoothness. Environmental friendly: made of 71% recycled plastic material (excluding replaceable parts). Hi-Tecpoint rollerball & Liquid ink for excellent writing quality and extra bright colours. Exclusive V-System regulator ensures consistent ink flow. Two writing styles: fine tip (0.5 mm) or medium tip (0.7 mm). One type of refill for both V5 and V7 pens. 4 colours available : blue, black, red and green.