This BB compares to high end Plastic bb's .

Polished to a high tolerance. this are as good as any high end plastic or Bio anywhere.

.20g  5000/1kg bag

Component Weight Percentage

Starch 66.12%

Protein 8.84%

Oil/Fat 4.24%

Crude Fiber 2.67%

Ash 1.29%

Sugars 1.84%

Moisture 15%

The source of starch/dextrose used is known as "Number 2 Yellow Dent", considered safe as a raw material for human food products.