The Narrow Shelled Lightweight Collapsible Military Grade Transportable Designer Pet Carrier is composed of a unique tough lightweight PVC outershell. 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 as the tough bendable centered durable foam is neatly placed inside the 2 shells. 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*W*H) 18.2 * 11.4 * 13.3 Features Military Grade Hard and Lightweight outer shell Lightweight Durable inner foam Fully Collapsible to 3.5 inches thin. Middle Shell fully zips off as both outer shells collide and zip closed Dual Front and Above zippered Mesh and Tough Shell PVC openings Features a built-in leash holder inside and comes with Over-The-Shoulder straps