VetOne U-40 1/2 cc, 29 ga. 1/2" Insulin Syringe Dispenser offers a way for you to treat your pet's diabetes at home because it allows you to safely store new insulin syringes and dispose of discarded ones. This tamper-proof container provides safety and security, eliminating accidental needle sticks. Please note we are unable to accept returns of syringes or needles.