The Elite Force Premium BBs are designed for consistent performance and accuracy in airsoft games. These 0.20g BBs offer a balance between weight and velocity, making them suitable for various airsoft guns and play styles. The package includes 2700 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 Premium BBs from Elite Force are an excellent choice for airsoft players looking for reliable performance and consistent accuracy.