Safe & reliable: The heavy duty dog crate is made from corrosion-resistant steel, which means KELIXU dog cage can prevent the most aggressive canines from escaping. And the double door increase the exceptional security, not only prevent intelligent escape artists from getting out but also ensure a safety home for your dog. *Excellent mobility:360 degree rotated locking casters can help you to move crate anywhere easily and lock the wheels to keep the kennel in place. *Optimal ventilation & visibility:The sturdy metal frame not only allows you to interact with your dog, enhances your relationship with the dog, but also provide optimal ventilation and visibility which offer your dog a comfortable and reliable environment. *Easy to clean: Removable (slide-out) plastic tray helps you to catch the fallen dog food and excrement, and allows you to wipe and clean easily. *Easy to assemble: All hardware pack included, and we have offered the detailed assemble instructions with pics step by step in the package. Just takes 2-4 minutes to complete. Overall Dimensions: 42"L X 30.5"W X 37"H.