Sports products Paintball main chemical components: water-soluble, biodegradable and non-toxic. The color is easy to wash. Paintball details GradeMain MaterialDiameterWeightPremium ball AGlutin& PEG0.68-inch3.2~3.35gPremium ball BGlutin& PEG0.68-inch3.15~3.35gField ball AGlutin& PEG0.68-inch3.1~3.35gField ball BGlutin& PEG0.68-inch3.1~3.4gField ball CGlutin& PEG0.68-inch3.0~3.4g paintball