0.28g KWA Bio 5000 BBs Bottle.  A very high quality proprietary PLA mix of bio BBs with the highest polish for an airsoft BB.  The .28 BIO is a big heavy bottle of BBs for use in AEGs, gas guns, etc.  This is a massive bottle.  Highly recommended from KWA airsoft. 198-00720

Uses a special USA made blend of PLA to differentiate themselves from other brands.

Disclaimer:  “Bio” airsoft BBs are eco-friendly, compostable, and may biodegrade in the environment.  They contain organic and non-organic (usually metal oxide) materials that are non-toxic. Degradation claims are available directly from the manufacturers for products we stock. Airsoft Atlanta does not make any certification or degradation claims on any “bio” products.