Insect Shield Insect Repellent Dog Safety Vest Safety Vests are treated with state-of-the-art Insect Shield technology, converting them into long-lasting, convenient, and effective insect protection Repels ticks, mosquitoes, and other biting insects Features two reflective strips for added visibility and effectivety at night Made with comfortable cotton canvas fabric and adjustable straps, for a secure and comfy fit" Veterinarian approved by Dr. Katy