Exel Comfort Point Insulin Syringes U-40 29 Gauge x 0.5-in, 0.5cc are free of natural rubber latex, ideal if you or your pet have a latex allergy. These syringes are designed for administering insulin to your cat or dog. Theyre sterile and non-toxic. A smooth plunger action makes for better filling accuracy, and the syringe has reduced dead space so that you waste less insulin. An auto ground needle tip helps to make every injection more comfortable for your furbaby. **We directly source prescription medications from manufacturers and wholesale distributors registered with the FDA and licensed by applicable state boards. Guaranteed genuine, and where applicable, backed by the manufacturer.**