HSW HENKE-JECT ® 2-PART syringes are latex free, contain no rubber, no silicone oil, styrene or DEHP and are DNA free. These syringes are the choice for any situation needing an inert, non-reactive syringe. Manufactured only from laboratory grade polypropylene and polyethylene. These unique plastic syringes have a positive safety stop to prevent accidental spills. HENKE-JECT ® syringes are individually sterile strip packed. FDA registered, CE Mark, ISO9001 certified.