PET LIFE 'Narrow Shelled' Perforated Lightweight Collapsible Military Grade Fashion Designer Travel Pet Dog Carrier Crate 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