GI Sports and JT Have teamed up to bring you the latest in .50 caliber paintballs. Low Impact, 100 percent biodegradable, non-toxic paintballs. Round and consistent. Thick, bright fill. Paintballs may vary in color. Compatible with .50 caliber paintball guns. Box and or bag design may vary. DO NOT PURCHASE THESE FOR .68 CALIBER PAINTBALL GUNS. 1 Bag 500 rounds.