... :5ml,10ml,20ml,30ml,40ml...Etc. 4.Use:Packing medcines,liquids,pill Features:1.plastic bottles2.Material:PE,PET,PS,PVC,PP ... etc.3.Volum:5ml,10ml,20ml,30ml,40ml...Etc.4.Use:Packing ... packaging, it is easy to close to by hand.4. The plastic caps has the safety ring to keep proof for medicine ...