" Four Control Methods: The pet door has four locking methods, internal opening, external opening, two-way opening and locking. You can feel and lock. You can feel and lock. You can feel and lock. With this, there will be no need to open the door or the door. Easy to Install: This cat flap is suitable for brick walls, metal doors, wood doors and PVC doors. A detailed installation diagram is included in the package, please follow the installation instructions. EASY TO USE AND CLEAN: This magnetic cat flap is windproof, and the brush on the cat flap can clean the trash on the cat flap and reduce noise. And the color according to the size of the cat. Safe and Non-toxic: The pet flap is made of ABS material, which is safe and non-toxic, sturdy and durable. Suitable for small dogs and large, medium and small cats, please rest assured to use it. Product description Size: M / 19.7 * 19.5.3 cm White color The cat petal is the perfect companion for your cat / dog! This well-designed cat flap