main features1. The new dog harness has four sizes, measure the bust with the widest ribs before buying, keep 2-3 cm. If sizes overlap, choose the next size. Size Small: Chest: 44-61cm Suitable for small dogs, such as Terrier, Corgi, Bichon Frize, Pug, Pomeranian, Dachshund, Beagle and large small dogs, etc.2. Anti-pull and better control - Two clips on the back and chest of the dog harness make it easier for you to guide your dog. Especially for dogs who like to rush forward, a no-tension harness is more comfortable than a collar. The padded handle on top of the harness also allows you to safely control your dog and stop or guide its movements on the road, up stairs, or when getting out of the car.3. Easy to adjust and comfortable: This dog harness has soft sponge pads on the chest and belly area for comfort and protection. EVA lining won't pull on dog's skin or fur. There are 4 adjustment points to adjust the neck and chest straps. You don't have to worry about them slipping while walking. It fits perfectly to your dog's body and provides extra room to grow.4.MOLLE upgrade system dog harness provides more room for DIY, the molle system on the back allows you to attach custom badges and ethical patches. You can use it for everyday personal use or outdoor recreation and hunting adventures.5. Complete Safety Features The Bokelai dog harness is made of high stretch nylon oxford material, featuring heavy duty stitching, reinforced D-rings and buckles, soft reinforced handle and four-sided reflective strips, providing full protection for your dog.Product name: Chest strapMaterial: Oxford cloth, alloyFeatures: Soft, Adjustable, Safe, Pet SuppliesSize details:S: Neck circumference: 30cm-48cm/12.99"-17.72" (approx.)M: Neck circumference: 37cm-58cm /16.54"-22.05" (approx.)L: Neck circumference: 44cm-68cm/19.69"-25.59" (approx.)XL: Neck circumference: 56cm-80cm/24.91"-32.68" (approx.)Notice:Due to differences in lighting and screen settings, the item's color may vary slightly from the picture.Please allow slight size differences due to different manual measurements.packing list:1 chest strap