The HPA Biodegradable BBs are designed for consistent performance and environmental sustainability in airsoft games. These 0.32g BBs offer a heavier weight for enhanced stability and accuracy at longer distances. The package includes 3000 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 biodegradable BBs are made with materials that will naturally break down over time, reducing their impact on the environment. They are an excellent choice for airsoft players who prioritize both performance and sustainability.