· 1ml/cc 31G Syringes:1ml/cc syringes，31G 5/16" (8mm)，five-faceted cutting new production process and electro-polished to remove burrs, creating one of the sharpest syringe needles on the market.· Sterile, Environmentally Friendly Material:Syringes with needle comes individually sealed in a blister package ensuring maximum safety and sterility.Pack of 100.· The scale is clear and easy to measure: the syringe barrel has a liquid volume scale! Clear scale for easy measurement and easy-to-read ml numbers for accurate measurement.· The needle tube is thinner and the tube wall is thinner: the needle is thinner, the pressure is increased, the force-bearing area is reduced, and it is easier to penetrate! The durable needle will not bend or dull easily.· 100% leak-proof design: The plunger is very airtight, no worry about leakage during withdrawal and injection. The barrel is also very smooth, with a smooth clean plastic feel. The plunger on the small disposable syringe won't snag and creates a leak-proof seal.