• Formulated with Geraniol and insecticide-free for effective repellent action. • Protects against fleas, ticks, mosquitoes, and lice for up to 3 months. • Made with photoluminescent polymer that glows in the dark after charging with ambient light. • Adjustable 58 cm design suitable for puppies from 2 months. • Does not generate heat or require batteries or electricity for its luminosity. • Minimizes the risk of allergic reactions by offering gentle and safe protection.