S Size Color Comfort Soft Mesh Dog Puppy Leash Lead Harness Vest Small Cat Pet Neck Girth:25-45cm 9.8-17.7lnch;Chest Girth:30-50cm 11.8-19.7lnch The Neck size is not adjustable, please make sure the neck opening will go over your dogs head All of the product outward appearance and the color take the material object as. The picture only supply the reference. This comfortable Harness made from a soft and breathable air mesh Also can help stop your dog pulling whilst on walkies.