1. Medical grade Polycarbonate, non-toxic, non-pyrogenic, single use only. 2. Luer Lock adapter. 3. Transparent barrel and colorfulplunger, other custom colors are available. 4. Custom printing is available with indelible ink. 5. The plunger fits the inside of barrel very well to allow for free and smooth movement. 6. With caps. 7. Available size: 1mL 8. Standard: ISO7886-1, BP, USP