· SILICONE LUBRICATION: We add a layer of microbonded lubrication to help the needle glide into the skin for a comfortable injection for your diabetic dog or cat.· MICRO POLISHED: Each needle is polished to a smooth finish, removing any very small blemishes that could occur during the manufacturing process and that could cause painful skin tearing.· ACCURATE DOSING: Bold dose unit markings and large barrel flanges for accurate dosing and easy grip and control.· 100 PET INSULIN SYRINGES: One box contains 100 single use 1/2cc human-grade U-40 insulin syringes with highly polished and silicone coated ½” needles. Doses up to 20 units of U-40 insulin.· PREMIUM QUALITY INSULIN SYRINGES: Provide a triple bevel electromagnetic polished, silicone coated needle with bold barrel markings and large barrel flanges for accurate dosing and easy grip and control. FOR ANIMAL USE ONLY.