OKBUYNOW Extendable Pet Carrier Soft-Sided Travel 6-in-1 Backpack/Handbag/Shoulder Bag for Dogs and Cats-18"x11"x11"-Enhanced Version Safety and Comfort: lightweight, solid frame support up to 15lb weight. Fabric is scratch and bite resistant. A fixed leash inside the bag can avoid the risk of escape. Versatile Carrier: use as a Shoulder, Hand Bag or Strap-Hidden Backpack.Folds flat for storage,Fix it on the vehicle seats or luggage in a trip. Extensible Area: gives cat/dog maximum activity space. Pet can exit and entry from 4 sides. Easy to Clean Up: oxford fabric with water-proof lining is easy to clean up. A soft washable mat padding is included. Good Ventilation: hexagonal meshes provide adequate airflow, give you a easy angle of view to look out your pets. fits for middle and small size pets. Airplane approved size: 18"x11"x11" (LxWxH)