These Dispense All brand syringe tip caps are the best syringe tip cap you can buy on the market. Working on either Luer Lock or Luer slip, the provide an air and liquid tight seal on a syringe —Perfect for long or short term storage in a syringe. The big diameter and raised grip means that these are easy to grip and remove from syringes —even when glue or a sticky substance is used in the syringe. Contains 10 Syringe Tip Caps. Also available in 25, 50, and 100 quantities. These are not sterile and not for medical use. For Luer Lock syringes only. Does not fit Tylenol, Motrin, or Enfit syringes.