【STURDY & DURABLE MATERIAL】outdoor dog pen foundation steel frame is made of galvanized metal material which can provide resistance against rust and corrosion even in bad weather, prolonging the lifespan of the outdoor dog kennel. Also, you can fasten the wire mesh to the frame with the cable tie or iron wire and enhance the stability of the dog cage by the ground nails. The whole design and material make the dog kennel solid and sturdy, even large dogs cannot knock it down. 【SPACIOUS INTERIOR SPACE】The specification of the outdoor dog crate is big enough to accommodate several big dogs together. Meanwhile, it is also tall enough for you to clean the dog cage easily and feed your pets inside. This chain-link dog fence absolutely is a good choice for your pets to exercise, playing and training. 【WATER & UV RESISTANT COVER】The roof cover of the heavy-duty dog kennel is made of 170g polythene which is durable and water-resistant. Extra UV protection prevents it from cracking, peeling or fading. The upgraded pitched roof cover won’t let water, debris and light snow pile up. Meanwhile, unique elastic cords and lengthened cover end hold the cover securely to the dog frame for a snug fit. All these fabulous designs aims to provide your pets with all-round protection.