The G&G Perfect 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 bottle contains 5600 rounds of BBs, providing you with a generous 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 white BBs from G&G are an excellent choice for airsoft players looking for reliable performance and consistent accuracy.