Draxxus Basic Training Paintballs are the perfect choice when you need a good shooting paintball for a lower cost. Basic Training Paintballs feature consistent roundness for its price class. DXS's proprietary Oil-Free Ecofill formula line of paintballs contains an environmentally friendly patent-protected alternative fill. It is based on a natural, food-based vegetable ingredient that, unlike oil, is friendly to the phreatic and soil water zones, the soil itself, as well as the field, playing equipment and gear. This ingredient takes easy-clean no-staining to a new level.