PET HARNESS, COLLAR AND LEASH: The package includes three items, a adjustable harness, a collar, and a 5ft matching leash. The collar is with bell and ID tag, the leash is increase with a 360-degree rotation metal hook, and the harness is adopted with a quick release buckle and double D-rings which are very heavy-duty. You don't need to spend extra time looking through other accessories, but you get all of these items at the same time with less money! So this is a very cost effective option. NO PULL, NO CHOKE, STEP IN: The double fixing method of hook and loop fastener and buckle, the sturdy double D ring provides you with two choices of traction for safer pet walks. its vest-like design distributes the pressure of the leash evenly across the chest and shoulders to prevent choking or neck strain. 1) Put the pet's front legs in the step-in harness. 2) Lift the small pet harness and lock the buckle. 3) Adjust the chest size and clip leash on the D ring. ECO FRIENDLY and SAFE MATERIALS: Adjustable pet harness are made with high-quality linen fabric, which is eco-friendly, renewable. Breathable mesh fabric, comfortable to wear and will not stick to the pet's hair. Even if your pet wears it all day, he won't feel any discomfort. For daily walking or running, it is a very easy thing to do. Besides, this is a four seasons harness, it keeps the pet cool on hot days and keeps the pet warm on cold days.