●Material: The pet flap is made of high-quality ABS and PP material, with a smooth surface, very strong, and the quality is guaranteed. Allows you to mount your own door to an interior or exterior wall, and it will automatically close when your pet passes through the door. ●Weatherproof pet door: It provides a fixing slot with a snap for the weatherproof wiper strip, which securely holds the brush strip. Even if the brush strip falls off, it can be easily put back into the retaining slot. ●Provide private access for your cat: Even if the door is closed, your cat has unrestricted access to her private space (eg garden, litter box or food). At the same time, prevent large dogs from eating cat food. ●Easy to train: The transparent flap allows your cat to see the food or litter box on the other side of the door, making training and acclimatization stress-free. What's more, the flaps are wrapped with brush strips to reduce noise and the force of the cat's push. ● PERFECT CHOICE FOR YOUR HOME: This cat door is widely installed on closet doors, laundry room doors, windows, walls or pantries, trash can areas or in the garden. 4-Way Access Control: Inward open, outward open, both directions open, locked. Allows cats to come and go freely or keep them safe in or out of the house Easy Installation: Suitable for doors and walls with a thickness of 2-6cm, ideal for brick walls, wooden doors, PVC doors, and metal doors Quiet, Self-closing, Windproof: Silent operation with a brush bar seal, magnetic closure for automatic return, and windproof design to protect against drafts Product Name: Cat Flap Door Swinging Flap Design: Clear flap made of high-strength fiberglass, UV protection, good transparency, and resistant to pet grasping and biting