Dog paw print door, screen door for medium and large dogs, Color: Black Frame: 37cmW * 42cmH Material: ABS + nylon Nylon mesh-high quality nylon material: good toughness | corrosion resistance | easy to clean | not easy to deform | mosquito repellent Screw reinforcement: falling repair, more stable Plug in the inner page: easy to install and smooth pet activities.The inner page is stable and more durable Bolt lock: prevents animals from running alone The magnet closes automatically: automatically closes the window when the animal leaves