Unlike your furry friend, you have opposable thumbs, which means you may sometimes drop things. Vial Safe for Pets Insulin Vial Protector is a silicone vial protector designed to help reduce glass shattering and breakage of your pets insulin vial. This size is specially designed to fit and protect 10mL vials of Vetsulin (sold separately). Lightweight, hypoallergenic, and reusable, the Insulin Vial Protector allows you to still see the vials content, so you can rest easy knowing that your canine companion or feline friend is getting exactly what she needs. **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.**