6mm Bio-degradable airsoft BB airsoft BB, Bio-degradable 1) guranteed the most perfect Biological BBs on the ... , 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 ... I, 0.30g, 5.95+/-0.01mm, white; packing: 1kg/bag, 20bags/ctn. -Carton size: 34X42x18 - For use in higher ...