This metal detectable, retractable permanent marker, from Retreeva, features a compact, ergonomically designed body that is shatter-resistant and compliant with BRC 9 standards. It has a 2.0mm nib and uses non-toxic, low-odor, quick-drying ink that adheres to all surfaces. The blue body – indicating metal detectable in food processing facilities– is both metal and X-ray detectable, made from FDA-approved materials. Available in four ink colors: Black, Blue, Green, and Red. Sold in 10-packs.