The foldable breeding box is made of high-quality plastic material, safe and durable, non-toxic and odorless, and does not harm your pets. Available in white, black, and blue colors to choose from. It features four wheels at the bottom, making it easy to move the breeding box. There are four slots at the top to match the four wheels, making the boxes stackable, which facilitates storage and saves space. There is a metal mesh on top, where a heat lamp can be placed. There are many ventilation openings on both sides, making the box more ventilated. The front can be fully opened, making it easy to monitor and feed the pets. Most importantly, it is foldable, which reduces shipping costs and ensures safety and comfort during transport. It is also extremely easy to assemble and requires no tools.