Box of 12 - LUXOR EcoWrite Permanent Marker-20, Bullet Tip, Black | eBay
WisyCart - Luxor 1222 Refillable Permanent Marker - Blue
Amazon.com : Luxor Ecowrite Permanent Marker Set – Pack of 12 - 1-3mm Fine Line Hard Acrylic Tip - Alcohol-Based Dark Vivid Ink, Office & School Supplies - Fine Point Markers, Zero