Outdoor Fun Without a Yard: No backyard? No problem! This cat catio mounts on your window, allowing your indoor cat to safely enjoy the outdoors while surveying their territory and staying close to you. Ideal for first-floor windows. Weatherproof and Sun-Loving: The transparent acrylic roof lets your cat enjoy sunlight while staying dry, with PVC curtains and a wooden door to maintain the perfect temperature in any season. Fresh Air, Bug-Free: High-density iron mesh provides fresh air while keeping insects out, offering a secure space that stimulates your cat's senses-sitting in this cat window perch is as entertaining for them as TV is for us. Solid Wood Frame: Eco-friendly and waterproof, the solid wood frame with its retractable side panels, can fit vertical windows 24" to 42.5" wide and can be painted to match your home. Quick, No-Drill Setup: Assembles in 15 minutes with no drilling, making it easy to install or remove the cat window box. Comes with mats,EVA gap pad, and secure locks to protect your cat and home.