1. Affordable SetCalming cat collars are specially designed for cats that are frightened, stressed, anxious or hyperactive. 3 individually packaged cat pheromone collars are packaged together in a beautiful box, very easy to use and store. 2. Quickly improve bad behaviorAnxiety collar for cats can start working within 1 hour and continuously release pheromones, which effectively relieves fear or stress caused by high temperature, noise, traffic, travel, veterinary visit, pet loneliness, fireworks, thunderstorms, separation anxiety. Helps cats adjust to challenging environments. 3. Plant Essential oil Safety EffectCalming cat collar is made of and highquality TPE material. Natural plant essential oils help relieve tension and anxiety. Hypoallergenic, not addictive, help relieve pet's tension and anxiety, help them relax and eliminate aggressiveness. (no harmful ingredient citronella oil) 4. 30 Days Continuous CalmCalming collar for cats can release pheromones for up to 30 days. Provides superior, longerlasting delivery of pheromone. The cat calming collar for anxiety can be worn continuously and changed every 4 weeks for results. The calming cat collar is waterproof so there is no need to take the collar off when bathing or playing in the rain.