The Narrow Shelled Lightweight Collapsible Military Grade Transportable Designer Pet Carrier is composed of a unique tough lightweight PVC outer shell. The centered shell is composed of a unique thick blended and bendable tear-proof foam that can easily withstand large amounts of weight pressure. This Dog Carrier fully collapses to 3.5 inches thin as both outer shells fully zip around 360 Degrees and the tough bendable centered durable foam is neatly placed inside the 2 shells. The outer shell is completely perforated for added breathability and sunlight. The zippers are specially engineered to carry over 40 lbs of weight without breakage. Features a mesh zippered opening. Comes with Over-The-Shoulder Straps and a built-in leash holder inside. Available in multiple colors. Sizing Measurements in Inches (L x W x H) 18.2 x 11.4 x 13.3