1. Relatively free space for pets to have enough space to play. 2. The scientific combination of plastic buckles and barbed wires can ensure the safety of pets. 3. Simple structures to assemble easily, which can save time and effort. 4. Custom combinations enable you to form 3*3 rectangles, or 2*4 rectangles, or any shape you like. 5. High quality iron net is strong and durable.