Our cat window box is made of premium wood and can hold at least 55 LBS. Allowing your indoor cat to safely enjoy the outdoors while surveying their territory and staying close to you. Perfect for ground-floor windows. The design of three sides of plexiglass with ventilation holes lets breezes in while keeping pests out, creating a safe and stimulating spot for your cat. For them, lounging in this window perch is as engaging as watching TV is for us! Crafted from durable, waterproof solid wood, this eco-conscious window frame features adjustable side panels to accommodate widths from 26" to 42". Paint it any color to harmonize with your décor. Designed for adventurous cats, this protective enclosure window box allows safe exploration and play while shielding them from harm. The ideal balance between outdoor stimulation and complete security for your beloved companion. 24.7" D × 22.1" L× 19.7" H (inclined higher) and 16.9" H (inclined lower). Bearing capacity: 55LBS. Please measure before you buy.