Flexible Neck & Adjustable Buckle A proper dog backpack should allow adjustable to the shoulder straps,and head openings to ensure your pet is safe and comfortable. With Padded Foam on Backside and Shoulder The stylish Front Pet Dog Carrier comes in patterned designs and in four different color. Padded and wide straps for a comfortable wearing. With Zippers on Sides With zippers on both sides, you’ll be able to safely and easily load your pet into it for walks. Zippered sides and a Flexible neck closure allow for easy wearing and comfort. Read more With Hanging D Ring It comes with a D Ring for hanging dog bowls, water bottles, garbage bags, etc. Release your hands and you will feel more relaxed every time you go out. Come with added D Ring for small items. Since you’ll be carrying your dog on your hikes, you’ll want some added storage on their pack so you won’t have to haul additional bags or supplies. Safe Lock Protects The safe lock protects your dog from flopping or lunging out of the carrier and makes this harness carrier great for biking, shopping trips, and nature walks. The buckle interior design connects with your dog’s collar to keep them secure, which the mesh window lets them see what’s going on outside or peek their head through on your journey. With Hole for Pet Tail The bottom of the backpack has a hole to accommodate the pet's tail, The design of the backpack is completely in line with the dog's body shape, so that your dog can enjoy every time you go out. Even if the distance is far away, the humanized design can make the dog not resist. Read more