Product Overview: Adaptil Calm Collar for Dogs Small is a calming collar for small dogs, designed to help reduce anxiety by releasing pheromones. Specifications: ‣ Dosage Form: Collar ‣ Active Ingredients: Dog-appeasing pheromones ‣ Pet Type: Dogs ‣ Pet Age Range: All ages ‣ Dosage: Replace collar every 4 weeks Key Features: ‣ Portable Calm: Ideal for small dogs on-the-go. ‣ 4-Week Use: Each collar lasts up to a month. ‣ Safe Formula: Non-sedative and effective.