... temperature sterilization we are a big factory,we can make many different specification and many different pacing cotton ... stick and 100%pure cotton.2.color:we can make many different color cotton stick,like white,red, ... ,bule,green,pink ect.3.Packing:we can make many different packing,like plastic box,paper box, ... 100pcs Cotton ball/pvc bag , clean and wonderful cotton ball with 100%pure cotton hx-m040