The Airline Approved Altitude Force Sporty Zippered Lightweight Fashion Travel Pet Carrier is composed of durable ballistic nylon with a heavy duty mesh surrounding for breathability and sun view. This Pet Carrier features built-in adjustable Double-Stitched over-the-shoulder straps and a built-in leash holder on the inside. This Dog Carrier is engineered to Zip, Fold and Collapses to 3 inches narrow and features a side Mesh entrance and dual sided zippered compartments. Available in multiple sizes and colors. Sizing Measurements in Inches (L x W x H) MD: 18.1 x 9.6 x 13 LG: 21 x 9.6 x 13