Did you know that in America alone over 400 million white board markers are discarded every year? That's why AusPen decided that something needed to change and created their higher quality, refillable and reusable line of whiteboard marker that reduce waste. AusPen products are not only better for the environment, but they're also better for your health as they use non-xylene ink. They carry a full line of refillable markers, refill ink and replacement nobs and reservoirs. Visit their website for more information!