Pet Prime Dog Flap for Screen Door, Self-Closing Cat Door with Lock, 30.5x35.5 Big Silent Pet Door, Durable Frame, Easy Install Pet Gate for Large Breed Dogs (L - for Large Dogs)

【Self-Closing & Secure】 The magnetic self-closing design ensures the flap quietly shuts after your pet passes through, maintaining insect protection and indoor temperature. The manual locking pin allows you to securely lock the door when needed, preventing unsupervised outdoor access.
【Durable Construction】 Crafted with high-quality, impact-resistant ABS resin frame and reinforced high-density nylon mesh. This combination resists scratching, tearing, and weather elements, providing a long-lasting and safe passage for your curious cat or small dog.
【Easy Installation, No Full Replacement】 Install directly onto your existing screen or door in minutes using basic tools. Our pet door preserves your screen's original function—no need for complex replacements.
【Ideal Size for Most Pets】 Features a clear passage of 30.5cm (W) x 35.5cm (H), suitable for most cats, big dog breeds, and puppies. Please measure your pet's height and width to ensure a comfortable fit before purchase.