Carrier bag size measures about: 15'/38cm x 8.7'/22cm x 11.7'/30cm(L*W*H), Compliant With Most Airlines (Please check with your specific airline carry-on size restriction). Travel bed is removable for easy washing. Two ways of carrying, you can use the padded shoulder strap or carry it as a backpack. The mesh design of the collapsible walls also allows for views of the outside world, reducing your pet's anxiety by providing it with a view. Before you place an order, please measure your pet and make sure that the pet carrier size is not too big or too small for him/her.