Heavy-Duty and Adaptable.
“Backed by over 50 years of proven performance, these workhorses last longer than other disposable markers because they contain more ink. No ink is wasted in our valve-operated markers as it flows uninterrupted through a hollow chamber, helping our markers stay wet for thousands of uses.” -MARSH
M99 Refillable Felt-Tip Markers
Industrial-grade felt-tip marker