Free Shipping Pet Carrier Bag, Backpack Style Pet Carrier, Dog and Cat Carrier, Dog Sling, Pet Sling, Breathable, Hands-Free, Pet Backpack, Pet Carrier Case, Walking Carrier Black S size carrier bag made of breathable mesh material. - Color: Black - Material: 100% Polyester - Size: S Thank you for viewing. This is a 2-WAY backpack bag that can be used for carrying pets in front or on your back. You can use it not only for carrying in front but also as a backpack or shoulder bag. The mesh material is breathable, so it's comfortable, and your pet will feel secure being held. The length of the shoulder straps is adjustable. It can be used by the whole family, from children to adults. Safety is improved! There is a hook inside to prevent pets from jumping out or falling, so you can ensure your dog's safety. Convenient for use anytime when going out for walks, hiking, shopping, etc. Puppy Dog Sling Cat Sling