【Breathable Material】This single shoulder bag is made of 70% polyester fiber and 30% environmentally friendly PVC high-quality fabric. The thickened bottom of the bag can prevent pet from scratching, and the 3D honeycomb high-elastic and breathable mesh is densely made of large-hole mesh, allowing gas to enter in all directions to give the pet a cool and comfortable travel experience. 【Elastic design】Adjust the opening size of the dog back messenger bag through the lanyard, so that the dog can look around. The ajust range of the shoulder strap is from 30 inches to 34 inches, and you can adjust it according to different heights. The shoulder has an elastic inner cushion, which is comfortable and breathable, and it can also effectively relieve shoulder pain. 【Double Protection】1. There is a safety hook inside the pet shoulder bag carrier, which can be hung on the pet's collar to prevent it from jumping out of the bag. At the same time, there is an adjust neck for the neck, and it can also adjust the width according to pet of different sizes to ensure that it is not too tight; 2. The smooth zipper will not plug the pet's hair. 【Widely Used】 The pet shoulder bag is suitable for all kinds of puppies and kittens. This bag will be a good choice when you need to travel with pet, go to the beach, party, biking, camping, it can prevent pet from running around and keep your feet clean. 【Widely Compatible】The maximum weight of our pet belt is within 15 kg (33.1lb). Our pet carrier bag is suitable for all small and medium-sized pet, such as cats, small Dobermans, Chihuahuas, Yorkshire terriers, and Spitz , Mini Poodle, Mini Schnauzer, Teddy Bear.