This heavy-duty 40″ kennel features high-strength plastic construction; durable wire doors that interlock for added security; 360-degree wire ventilation windows to promote healthy airflow; non-corrosive bolts; and plastic covered wing-nuts for durable assembly; and secure easy to operate spring door latches for safety. The Sky Kennel is considered the Gold standard for pet travel allowing your pet to feel at home even when traveling. Flat interior bottom. Each kennel includes “Live Animal” identification labels; and a clip-on dual food and water cup. The Sky Kennel is also eco-friendly and made from recycled materials.