Creative Durable Comfortable Fabric Mesh Head Out Design Pet Puppy Dog Front Carrier Bag Pack Backpack Fit for Small Dogs Portable for Outdoor Travel Hiking High quality sandwich mesh fabric: environmentally friendly & no pungent smell Contraction Rope Design: Minimum contraction to 3cm, maximum contraction to 15cm. With this backpack, don't worry losing your pet dog any more while you are going out. Head Out Design, don't worry your dog will breath with difficulty. Compact and convenient, a good companion for puppy's outdoor activities.