Quantity: 1PCThis collar removes insects such as fleas and mosquitoes by immersing them for several months with plant extract. The High Quality Comfort For Your Love Pets It is safe for pets and humans. Avoid the hassle of monthly treatments It is made in natural herbal ingredint wont impair dog' health.This collar, which removes this fleece, is waterproof design and it is not necessary to remove the collar when the pet is taking a bath. Besides, It is light and it is not a burden on dogs and.This collar can be adjusted by the size of your love pet. If it is too long, you can cut the extra length.【Size】 S:38cm x 1cm; L : 62cm x 1.3cm 【Material】 : Silicone + rubber + essential oil【Long-term Protection 】Normal conditions, this product up to eight months (even in water). It is a cat, a dog for 8 weeks or more. If the pet is sick, pregnant, or elderly, please ask your veterinarian before using it.