The Sherpa ultimate pet carrier on wheels. Please check with your airline for under the seat size requirements as they do vary with different airlines. This airline carrier is soft sided and does meet all safety requirements and is airline approved. Please measure your pet before ordering do not go by just weight as pets come in all sizes and shapes. For length measure from nape of neck or collar area to base of the tail not including the head or the tail. This is your length and it should be 18" inches or under to fit good. The carrier has Locking zipper to prevent acidental escape, and inside D ring to safely secure your pets lead. Includes roll up flaps to provide additonal privacy. Mesh panels for ventilation, includes shoulder strap, has top and side entry. Front wheels rotate 360 degrees while the rear wheels are fixed for optimal control. Bag can be spot cleaned, removable machine washable comfort liner. Padded, adjustable pull strop converts to a shoulder strap. Outside bag dimensions are 20" long x 11.5 " high x 11.75" depth. weight is 4.35lbs, bag collapses for easy storage to lay flat, new 2012 design. also includes a free portable travel bowl that is collapsable for instant water or food for your pet. The new 2012 design of this bag has support frames in bag to prevent collapse of the pet carrier on the pet. This is the best and ultimate pet travel carrier.

20" Long x 11.5" High x 11.75" wide, Large black up to 22lbs, New 2012 design is collapsable for easy storage

Locking zipper to prevent accidental escape, Mesh panels for ventilation

Top and side entry, Includes roll up flaps to provide privacy, Removable comfort liner machine washable

Includes free portable travel bowl collapsable for easy storage with bag

Bag can be spot clean with soap and water, Front wheels rotate 360 degrees while the rear wheels are fixed for optimal control