Breathable& Lightweight :Air Mesh harnesses are soft, lightweight and breathable and allows efficient air flow throughout the chest area to keep your dog cool and dry. A puffy padded feel to the comfy harness adds to your puppy's comfort.Safe Reflective Design: Reflective stitching makes your small dog visible in low light conditions, improves safety when walking at night.Collars, harnesses & leashes Set all have reflective stitching.You can walk your small puppy safely at night.Easy to Put on and Adjust:Convenient step in harness design.It has 1 quick-release buckle and an adjustable hook and loop,which can be adjusted according to the size of the small breed dog. Locking feature on snap makes it more secure, 100% ensures no accidentally detachment.Harness,Leash,Collar and bells Set:Our small puppy harness set come with a puppy harnesses,dog leash,dog collar and small bells.One set include all will meet all your needs and you do not need to purchase other pet supplies.Before purchase, please measure your dog neck girth and chest girth,and compare with the size chart.More Choices:5 sizes from XXS to L for you choice.Please choose size based on your dog's chest girth by measuring around the widest part of your dog's chest before purchase. The dog harness suitable for Small Medium breed such as Boston Terrier, Maltese, Pekingese, Shih Tzu, Chihuahua, Poodle, Papillon, Teddy, Schnauzer and so on.