East Side Collection Express Carriers &mdash; Convenient and Versatile Carriers for Small Dogs and Cats, Grey Convenience, versatility, and function combine in these chic Express Pet Carriers Easy to use  simply zip on sides to assemble, or zip flat for convenient storage Top handle and detachable shoulder strap make for easy carrying Soft, machine-washable padded mat insert provides supreme comfort Zippered mesh opening offers easy access, while top ventilation improves visibility and airflow