Adaptil Junior increases the puppy's learning skills for toilet training, walking on lead and simple commands. It also helps it adapt to new situations, such as new noises (storms, firecrackers, fireworks, road traffic, vacuum cleaner...), the owners' absence, environmental changes or occasional events (transport, travel, veterinary appointments...). From adoption and up until the puppy is approximately 6 months, Adaptil Junior is an ideal solution to help puppies feel comfortable and fully confident when they are discovering the world around them. Scientifically proven, used and recommended by veterinarians and breeders. The Adaptil Junior collar does not cause drowsiness, dependency, or affect alertness. Easy to use. - Place the collar around your puppy's neck leaving a 2 finger gap between the collar and the pet's neck. - Cut the excess if necessary. - Check the collar regularly and consider adjusting the size as the puppy grows. - Keep the collar permanently on the puppy apart from when washing. - Replace the necklace after 30 days if necessary. Please note: - One collar lasts for 4 weeks. - Remove the collar when washing, then put it back on once the dog is dry. - Adjustable collar. If necessary, cut off the excess. - Suitable for a neck circumference up to 37.5 cm (i.e. for a puppy up to approx. 15 kg). Did you know? Adaptil Junior contains substances identical to those naturally produced by a mother dog when feeding her puppies. These "soothing messages" stabilize the emotional state of the puppy, facilitate its learning and increase its confidence in all circumstances.