6mm Bio-degradable air soft BB Bullets

airsoftBB, Bio-degradable With the main material of PLA. 1) guranteed the most perfect Biological BBs on the market 2) Perfect spheres and no air pockets! 3) ISO 3290-2001 G1 certificate, highest industry standard! 4) weight include 0.20g,0.23g,0.25g,0.28g,0.30g,0.32g 5) diameter = 5.95mm+/-0.01 6) True Biodegradable material used 7) color = white 8) Designed for tight high performance barrels 9) Big 1KG bags! - model: GB4020BIO-I, 0.20g, 5.95+/-0.01mm, white; packing: 1kg/bag, 20bags/ctn.- model: GB4023BIO-I, 0.23g, 5.95+/-0.01mm, white; packing: 1kg/bag, 20bags/ctn.- model: GB4025BIO-I, 0.25g, 5.95+/-0.01mm, white; packing: 1kg/bag, 20bags/ctn.- model: GB5028BIO-I, 0.28g, 5.95+/-0.01mm, white; packing: 1kg/bag, 20bags/ctn.- model: GB5030BIO-I, 0.30g, 5.95+/-0.01mm, white; packing: 1kg/bag, 20bags/ctn.- model: GB5032BIO-I, 0.30g, 5.95+/-0.01mm, white; packing: 1kg/bag, 20bags/ctn.-Carton size: 34X42x18- For use in higher end spring airsoft rifles,AEG's,gas airsoft pistols,or higer.