Cylindrical design with insulating inner core and soft fleece pad. Mesh ventilation ring allows safe compaction and is flexible but firm for fitting into tight spaces. * Appropriate for all kittens amd adult cats up to 20 pounds who like to curl. * Double zippered mesh top entry and exterior storage pocket. Mesh entry door with removalbe foam core base. Adjustable shoulder strap with pad. * Dimensions: 13 inches high and 12 inches round. Weighs 1.65 lbs. * Both SturdiTote body and fleece pad are machine washable. Carrier body 600 Denier Polyester.