Introducing the Pet Action Adjustable Collars, the perfect solution for small dogs who are susceptible to flea and tick infestations. This collar is designed to provide full protection for up to 6 months, ensuring that your furry friend is safe from these pesky parasites. With its water-resistant feature, you can be assured that your pet can play and swim without worrying about the collar being damaged. The collar is adjustable and comes in XXS, XS, S, and M sizes, making it the perfect fit for any small dog weighing between 0 to 22 lbs. The Pet Action Adjustable Collars are EPA registered with the number 89609-2, making it a reliable and safe choice for your furry friend.