We bought this pen to use for our babies at our lake property. We love it!  A 10x10 pop up shade fits inside. The gate is stable and a perfect size for our two chihuahuas, yorkie-schitz, and miniature schnauzer. They had freedom to rest, roam and play. Note: It took a few attempts to figure out the 90 degree turns. After we assembled the fence, it was super easy to move and set in place around the shade. The stakes pushed in the ground made for a stable pen. Soon, I would like to purchase another set to enlarge the pen size.