100 first quality reusable .43 caliber foam rubber paintballs. No mess and no worry with this revolutionary 'paintless paintball simulator'. Designed to last for hundreds of shots; re-usable balls will save you money as you increase your accuracy. Dense foam balls are perfect for people who work on their own equipment and need to test fire. Practice anywhere; anytime; with no mess. Can be used indoors or outside. 100 balls. Note: these are the small 11mm balls. They will NOT fit in a regular paintball marker or the 50 cal markers; ONLY the training pistols; grenades and other .43 caliber markers