The Valken Infinity BBs are designed for consistent performance and accuracy in airsoft games. These 0.28g BBs offer a heavier weight for enhanced stability and accuracy at longer distances. The package includes 3500 rounds of BBs, providing you with a good quantity for extended gameplay. The BBs have a smooth surface for improved flight stability and reduced jamming. They are 6mm in diameter, which is the standard size for airsoft BBs. These Infinity BBs from Valken are an excellent choice for airsoft players looking for reliable performance and consistent accuracy.