38m Adjustable Pet Collar Cat Dog AntiFlea Collar Anti Flea Tick Mite Louse Collar Pet Protect Repel Rubber Necklace Pet SuppliesBullet Points:1, Effective Protection: Dog and cat collars are the best protection against fleas, lice, mosquitoes and pests.2, Safe Guarantee: The collar is made of healthy materials, so don't worry about safety. The natural cat flea and tick collars are 100% safe and non-toxic for your pet.3, 8 months protection: the pet collar is waterproof and more durable, and under normal circumstances, this product can last 8 months (even in water).4, One Size fits all: size: 38cm, compatible with pets of all sizes. If the collar is too long, you just need to cut off the extra length.5, The best item: Especially when the flea season or summer arrives, the collar protects your pet. Specifications: Ingredients: Natural Essential Oil Material: Silicone Color: Grey, Blue, Red Size: About 38cm / 14.96in Suitable Pet: For Cats & Puppies Feature: Prevention Insecticide Packing List: 1 * Pet Collar