Feature:1. Safe Material: Made from safe, non toxic ingredients, these adjustable collars effectively help to kill fleas, ticks and other pests ensuring your cats remain bug free and healthy.2. Adjustable Size: Each collar comes in a flexible and adjustable design, making it perfect for cats of all sizes. Its red color also adds a stylish touch to your cat's wardrobe.3. Better Protection: These collars prevent infestations by breaking the flea lifecycle and offer continuous protection from adult fleas, flea larvae, and ticks.4. Easy To Use: These collars are hassle free to apply. Simply adjust the collar to your cat's neck, buckle it in place, adjust for a fit that is both comfortable and effective.5. Lightweight: Made of soft silicone material, this pet collar is lightweight to wear, will not have a foreign body feeling, and is more acceptable to pets.Specification:Item Type: Pet Flea CollarMaterial: SiliconeLength: Approx. 29cm/11.42inNotice:Due to the different monitor and light effect,the actual color maybe a slight different from the picture color.Please allow 2-3cm differs due to manual measurement ..Package List:3 xPet Flea Collar