About this item ✅【 PET BACKPACK CARRIER EXPANDABLE DIMENSION 】 ：The Double Expandable Sofe-Side Cat Carrier Backpack Measure 17"L x 13.5"W x 11"H , Fit for Large, Medium and Small Pet Up to 20 Lbs Max,Dual Side Expandable to 17 x 13.5 x 36 inches. ✅【DOG BACKPACK CARRIER HUMANIZED DESIGN 】 ：Front and Back Side Both Free Expandable , increase Your Lovely Furry 200% Activity Space,With 6 Well Breatable Mesh Ventilated Design ,Side Entrance/Exit Convience For Pet Get in and Out,Both Soft-Side Breathable Mesh Window With Good Airflow and Landscape. ✅【 CAT BACKPACK CARRIER STRONG QUALITY 】 ：This Discreet Expandable Dogs Backpack Carrier Made with 600D High Quality Standard Oxford Material,Easy to Clean,Lightweight and Tidy,The Pets Backpack Carrier Expandable With Strong Steel Wire Skeleton Structure And Enough Activity Space for Puppies ✅【DOG CARRIER CARRIER SAFTY AND COMFORTABLE 】 : The Expandable Pet Backpack Carrier With Reflective Stripe,Safty for Your Travel While in the Evening, Front Pockets Convenience for you to Keep More Supplies Storage ,Secure Zippers Buckles With Lock Effectively Safty to Protect Your Pet and Prevent Escaping While on Traveling. ✅【LARGE CAT CARRIER BACKPACK COLLAPSIBLE / FOLDABLE DESIGN 】: GROXKOX Cat Extension Backpack Can be Collapsible to a Small Bag for Help You save More Space While Not in Use,Suitable For Large Cats to Small Dogs › See more product details