PLA resin 1,PLA made from cornstarch 2,type:Synthetic Resin and Plastics 3,color: white 4 ... 1,Manufacture place need keep with Good ventilation 2,PLA material can born,so please notice the fire ... 1,Avoid contact with sharp objects, prevent packing damaged 2,Store in a cool dry place 3,Must seal, ... when open the bag,need dispose within 2 hours,if not, please seal again.Machines and products ...