HOW TO CUSTOM: Click "Customize Now", enter the customized dog name and mobile phone number, and add to the shopping cart after confirming that there is no problem. Engrave your dog's name and phone number, helpful if your pet is lost. PREMIUM MATERIAL: Made of durable polyester oxford and padded with soft cushion to protect your dog's skin. Breathable air mesh keeps your dog cool during outdoor activities. Your dog will enjoy the daily walk in this comfort dog harness! AVAILABLE IN SIZES S-XL: This custom harness is available in the following sizes: Small, Medium, Large, and Extra Large. Can fit small, medium, and most large dogs. To ensure a proper fit for your dog, Please measure your pet and refer to the size chart before purchase. SAFE & USEFUL: This custom dog harness is easy to put on and take off with its 2 fast-release buckles. Dog harness features 4 adjustable straps to create a custom fit for your dog, with some room of growth. Also, this soft harness featured with reflective strap, the reflective harness enhance your pets visibility for those early morning and late evening strolls, which ensure your dogs safety! OCCASIONS: he back clip ring is great for casual walks, jogging, hiking, home, parks, lawns, pet school, training base, camping, etc. HOW TO CHOOSE A SIZE? Step 1: Measure the dog's Neck & Chest Girth; Step 2: Fit two fingers under the straps. It's better to set aside 1-inch ±on the lower/upper limit.