... plastic roll on ball and caps 2)size and color are available 3)bottle with caps plastic roll on ball and capsWe are factory that ... material ,such as PP,PE,ABS,POM,PA, PMMA,and the toleranve can be 0.01mm.2.hollow ball ... mainly used in the cosmetic packaging ,such as perfume bottles and deodorant bottles ,also can used in sewage disposal ,float ... 10ml,30ml,45ml,50ml,75ml plastic roll on ball and caps