Muji Style .05 Black Ink Pen $2.25 cap color White White Black White Black Add to Cart Please fill in the form below if you'd like to be notified when it becomes available. Your Email Send This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. This listing includes one Muji Style .05 pen. You can select a cap color of White or black. All pens have black gel ink.