· Dual-layer design with mesh and light-blocking layer ensures ventilation and a calm resting environment. · Reinforced steel frame and self-locking zippers prevent collapse and escape. · Detachable washable double-sided pad and built-in safety leash clip for easy cleaning and security. · 360° rotating removable wheels with telescopic handle for smooth, quiet rolling; folds flat for storage. · Extra large size (16x13x26 inches) fits medium pets or two small pets; includes shoulder strap and car seat straps.