Here's a revised product description based on the provided information: Product Dimensions 39.3L x 19.7W x 20.6H Gap Size 24 Millimeters Material Acrylic, Metal Specific Uses or Product Indoor Upgraded Installation & Air Ventilation This version simplifies the installation process for the front door, requiring only two steps. It maintains a large front door and a roof vent for fresh air circulation, allowing for easy access to change bedding, set up toys, and interact with pets. Spacious Large Hamster Cage and Habitat The cage measures 39.3in x 19.7in x 20.6in, providing approximately 774 square inches of floor space. It features a deep base that can accommodate a 24cm/9.4 inches thick layer of bedding or pets for tunneling and digging. Suitable for Degus, Mice, and most Syrian and Dwarf hamsters, as well as other small animals. Metal Structure & Chew Proof The cage is designed with a metal frame combined with high-quality acrylic boards for structural stability. It effectively prevents chewing and escape. Four view windows offer a 360-degree view of your pets in a natural-simulating environment. The cage is water and rust-resistant, making it easy to clean. Stackable Design & Easy Assembly The slide-in construction design allows for quick installation by one person. Follow the instructions for step-by-step assembly. The stacking design allows for efficient space-saving by stacking multiple cages (additional stacking accessories need to be purchased separately). Please note that this product is sold without warranty. If you require warranty coverage, you may contact the manufacturer. Returns are not accepted for this product unless there are quality issues.