Thousands of satisfied customers agree—our Patio Lock model stands out as the top pet door for sliding doors on the market. It’s the only pet door in the world with patented self-locking technology, meaning it locks directly into your sliding door system for instant security—no cutting, drilling, or tools required!

This screwless, self-locking design is a game changer. Unlike other models that demand screws, brackets, and handyman skills, Modern PET Doors, Patio Lock offers a hassle-free installation. Why create holes in your door frames when you don’t have to? With the Patio Lock, you get convenience, security, and peace of mind—all in one.

Stop settling for outdated models. Upgrade to the Patio Lock today!