1. Breathable Mesh Fabric: With mesh fabric on the front and backside. the pet carrier is breathable. ventilated and no pungent smell. always keeps your pets feel free in it. 2. Head Out Design: Front hole allows your pets head out for fresh air and watching outside world. so that it wont be boring in the pet backpack. 3. Interior Drawstring: Interior drawstring with buckle can be tightened up to prevent your pet from jumping out or hurting itself. effectively ensures the pets safety. 4. Adjustable Wide Straps: The adjustable wide padded straps help to reduce your shoulder pressure while the extendable straps with buckle keep the backpack more stable. 5. Functional Pockets: There are 2 mesh pockets around the dog carrier. ideal to store your small belongings like phone. keys. tissue. etc.. free your hands to get more interactions with your pet.