bio airsoft bb bullets 0.23g bulletballs

airsoft BB, Bio-degradable, High Precision ,seamless, roundness, polish
1)Diameter = 5.95m+/-0.01,
2)Perfect sphere shape & smooth surface;
3)Made of high strength/tough materials;
4)No external pitting on the BB;
5)Seamless (no visible seams);
6)No visible internal air bubbles/pits;
7)Significantly stable flight characteristics,less drift by wind & shoot straighteners;
9)True Biodegradable material
10)ISO 3290-2001 certificate, highest industry standard;
11)Color : white,black,light blue,green, or others;
12)OEM service;