Features: Natural essential oil without allergy. Water resistant design. One size, adjustable for small, medium and large dogs. Without allergy and odorless, safe and environmentally friendly. High efficiency and last up to 8 months. Well packaged in an aluminum storage case. To repel fleas, ticks, lice, larvae, mosquitoes, etc. Characteristics: Material: rubber + aluminum Suitable for: neck sizes up to 55 cm Item size: 57 * 1 * 0.35cm Item Weight: 20g Package Weight: 42g Package size: 9.5 * 9.5 * 2.6cm / 3.74 * 3.74 * 1.02in Package list: 1 * necklace 1 * case
