Streamline, the newest series of Lancer Tactical BBs, offers a range of airsoft ammunition to suit any player and situation With a polished seamless design that is engineered to feed consistently for any airsoft gun that uses 6mm BBs Mid-range BB weights allow for the widest use shooting range In the Box A bag of 3570 rounds of 0.28g BBs Specifications: Brand Lancer TacticalMaterial PlasticWeight 0.28gCount 3570 rdsColor White California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov