URINE CONTAINER Available in 50ml In Blue Cap Red Cap An White Cap, Smell Proof, Leak Proof, And Dustproof With E.T.O Sterilized Container Use For Proper Collection Of Urine Specimens Is Important To Avoid Contamination Of The Specimen Or Deterioration Of Urine Constituents. ... If The Specimen Is Avoided Specimen, It Is Important To Provide Patients With Instructions For Proper Collection.