- Pet Umbrella Door Size: Medium. Outer dimensions: 7.75 x 7.48 x 2.08 inches (19.7 x 19 x 5.3 cm). Inner dimensions: 6.29 x 6.18 inches (16 x 15.7 cm). Designed for thin panel doors and screens, making it ideal for applications like plastic storage boxes, fly screen doors, sliding doors, and acrylic door leaves. - 4 Flexible Closure Types: Easily switch between access modes—free in and out, fully locked, only off, or only in. This feature eliminates the need to constantly open the door for your pet, enhancing their freedom at home and reducing stress for both pets and owners. - Durable and High-Quality Materials: Crafted from robust ABS plastic, this cat flap is UV-resistant, smooth, and long-lasting, ensuring good transparency. It minimizes cold air loss in the summer and heat loss in the winter, making it energy efficient. - Quiet Operation and Draft Protection: Specifically designed to accommodate most small pets, this cat flap operates quietly while providing excellent protection against drafts. The special seal and magnetic closure ensure a snug fit, keeping your home comfortable. Applications: 1. Perfect for use in apartments where space is limited, allowing your pet easy access without compromising security. 2. Ideal for homes with multiple entrances, ensuring your pet can move freely between rooms without requiring human assistance. 3. Great for pet owners with busy lifestyles, facilitating independent entry and exit for pets without the need for constant supervision.