About this item 【DURABLE MESH EXPANDABLE CAT BACKPACK】Cat backpack expandable is made of waterproof 900D Oxford fabric, durable scratch-proof mesh. Pet backpack expandable with roomy space, inside cat backpack carrier expandable breathable mesh with a soft fleece mat for pet to stay comfortable. Pet travel backpack size at 15.4*11.8 x 16.5 inch, Roomy expandable for pet backpack carrier size at 15.4* 24.4* 16.5 inch, Pet expandable backpack carrier is suitable for small dogs, small pets,medium cats. 【DUAL-PURPOSE PET BACKPACK CARRIER FOR CATS】Expandable pet backpack carrier for small dogs with front mesh entrance, hasp to fix cat carrying backpack for reducing weight outdoor. Cat carrier backpack expandable can be used as pet home when lay flat.Back expandable entrances easily to access. Cat backpack carrier expandable with breathable mesh window for visibility and air ventilation. Dog carrier expandable backpacks is airline approved, please check the airline company requirement first. 【COMFORTABLE TO WEAR】Backpack pet carrier expandable with adjustable shoulder straps and equipped thicken padding, cat holder backpack back with breathable thicken mesh and chest buckle,pet travel backpack straps with soft foam cushion to relieve the burden of your shoulder and back, doggy backpack carrier comfortable to wear. Use this expandable dog backpack for cats, great for trip and outdoor. 【Double Safety Security Design】All zipppers in this cat carrier backpack are designed to as double buckle with lock,and it can avoied your pets open the door and escaping.Also,the built-in safety belt clip of the dog carrier backpack can be tied to vest or collar to prevent your pets from escaping. 【Unique Design】The pet carrier backpack with durable handle,safety belt clip,adjustable shoulder and waist belt,double buckle zipper with lock,anti-slip bottom,multi-fuctional pocket,adjustable shoulder straps,double sides using mat and collapsible bowl.We have an excellent after-sales service team, please feel free to contact us if you have any questions, and If you find any quality issue with SIHANM pet carrier backpack, please feel free to contact us for a FREE replacement.