The Faber-Castell Daily Ball XB Follow Your Flow Buzzing Blue pen (ref. 140681) ensures a smooth and continuous glide on paper thanks to its extra-wide XB tip with indelible blue ink. Sustainably constructed with 63% recycled plastic in its electric blue Buzzing Blue body, it includes a robust metal clip for attaching to notebooks. It is the recommended eco-friendly and comfortable writing tool for heavy daily use.