Specification: Brand new,Each sterile syringe is individually sealed and designed for one time use only. Model: 5ml/10ml/20ml Capacity: 5ml/10ml/20ml Convenient to use. Note: For industrial and lab use only. All syringes are irreplaceable when measuring or dosing any type of fluids with accuracy and precision. The syringe is consumable, the life time depends on how you use it. (If you want to reuse it, use a scotch tape to prevent the scale from blurring.)