Beaphar Sparkle Cat Flea Collars contain an insecticide that kills fleas on your cat and prevents their return for up to 4 months. Effective, comfortable, and oh-so-sparkly, the collar provides fashionable flea control, and can be adjusted to fit any cat. Collar comes in either black, red or blue. This is an assorted line, so if you order it we'll pick a colour at random for your pet. Caution: Do not use any other flea control products on your cat whilst using this collar, or within 7 days of removing it. Always read the label. Beaphar Soft Cat Flea Collars are suitable for cats and kittens over 12 weeks of age. Complete with silver bell.