Reversible Cap Vials at best prices at RDS Pharma Packaging. Reversible Cap Vials received its name from the convenient multi-function cap Or Multi purpose Cap. It offers a Push-down and turn option to open and close the container. Reversible Cap Vials also known as child-resistant Reversible Cap VialsVials. You can also simply flip the cap over and use it as a screw-top container, in this case your medication will not be child resistant. Reverse Caps are great for dispensary supply, it keeps the medication moisture resistant and has an odor proof design. Reversible Cap Vials Available in these colours Amber, Blue, Green, Red, Black, Pink, Purple, Opaque Sliver, Opaque White, Clear, Opaque Gold