Anti-rust & Protection Design: PawGiant dog cage has epoxy coating to prolong metal life, preventing rust, corrosion & fading. No need to worry about rust in rainy days. Metal surface is treated to prevent sharp edges harming pets Waterproof Removable Roof: The dog enclosure outdoor roof is made of UV-resistant and waterproof Oxford cloth, fitting outdoor dog run. Elastic ropes hold it firmly, preventing wind blow-away. The UV-resistant coating prevents fading and cracking Double door latch door: The kennel is equipped with double door locks, which are strong enough to prevent smart dogs from opening the door by themselves. Resting outdoors safely Large Interior Space: The size of the enclosures is 4ft x 4ft x 4.5ft, the right size provides ample space for your pets to rest and play in a friendly and safe environment. If you want more space, you can also connect more dog crates together Unique Design: The dog kennel has reinforced ground nails to fix the cage outdoors, preventing knockdown or movement. It's also suitable for indoor, with non-slip rubber feet to prevent floor scratching. Ideal for small/medium sized dogs within 33 lbs