1、【Material】Our cat collar is made of composite TPR material, which is much softer than other hard TPE and PVC collars. This significantly reduces the discomfort your pet may experience when wearing the collar for the first time, minimizes unnecessary scratches, and ensures the safety and comfort of your pet's long-term wearing. 2、【Sized to Fit Most Furry Animals】With a total length of 16.5 inches and an active buckle design, our cat collar for boys/girls offers 3 adjustable sizes, perfect for small/medium/large kittens and other pet dogs’ necks Girth 11.8-15.5 inches. Make tranquility a part of your dog's daily routine with our comfortable-fitting calming collar! 3、[A good helper for kittens and puppies] The collar is uniquely designed and comes with a liquid carrying capsule. You can freely add fragrance or pheromone essential oils, which can effectively remove your pet's body odor and also calm your pet's mood. Refillable pet collars help your puppy or kitten quickly integrate into their new environment. Relieve dog/cat anxiety caused by facing various environments. 4、【UNIQUE DESIGN】Our dog collar liquid capsules use unique progressive penetration technology to ensure the essential oils you add are effectively and gradually released, which will keep your furry calm all day long, whether at home or on the go! Help them adapt to daily and unexpected stressful situations. 5、【Exquisite Gift】Forget other single-function collars on the market! Our cat/dog collars can be re-added with any different essential oils based on your needs and favorite scents! At the same time, the collar is waterproof, so there is no need to take off the collar even when walking in the rain or taking a shower. This collar is not only a good decoration for your pet, but can also help you achieve other desired functions by adding different essential oils, making it a perfect gift for your pet.