1. Revolutionary semi-sphere window design adds a unique function in addition to its switchable mesh panel. Small pets, such as small cats and dogs can be easy to keep in carriers.<br>2. Built-in security leash, mesh panels & ventilation holes, soft washable pad, top & side entries for maximum accessibility, easy storage and travel - comfort, convenience and safety.<br>3. The semi-sphere window design can stop them from escaping and keeps them safe in your care. It also provides a more interesting and safe space for your pet, which allows your pets to enjoy the sunshine and scenery with you and interact with the outside world.