Vogue Cat and Dog Pet Essential Oil Collar Mosquito and Flea Adjustable Proof Collar Collar Cat External Insect Proof The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with s policies and EU Product Safety and Compliance laws. Welcome to my shop! ABOUT THIS ITEM Flea and lice collars can treat and prevent lice, fleas, larvae and lice for up to 6 or 8 months. This waterproof flea and tick dog collar starts to work immediately within 24 hours after application, and can repel and kill fleas and eliminate ticks within 48 hours. Aromatic plant essential oil extraction, essential oil will be slowly released in the colloid, to achieve the effective role of insect repellent fleas. Flea and tick dog collars are used for dogs and puppies 7 weeks and older.NOTE Light shooting and different displays may cause the color of the item in the picture to be slightly different from the real item. The allowable measurement error is +/- 1-2cm.PACKING LIST 1 x Insect collarLabel: Yes