Flip Cap Seals are easy to use, autoclavable and tamper-evident. Push upward on the red plastic button to access the stopper or septum. There are no sharp metal edges to cut fingers or gloves. Plus, you can remove the Flip Cap button with one hand, treeing the other for the syringe.
Tear Cap Seals are used for center tear-off and complete tear-off applications. The red plastic top flips off easily -with pressure for the thumb exposing the aluminum seal with center hole and pull ring. Access contents by syringe or seal can be torn off completely by pulling on the center tear ring. This seal addresses the need for a recyclable product, especially in Europe, which allows the complete separation of plastic. Aluminum, rubber and glass after use.