The Lucidium pen by Clearly Loved Pets is the original clear enclosure. Our crystal-clear pet enclosure safely secures your pet and reduces stress while removing the guilty feeling of caging. Perfect for small to medium dogs weighing up to 40 lbs, kittens, rabbits, hamsters, Guinea Pigs, chinchillas, ferrets, mini pigs, breaded dragons, and other small animals. Patented Walkthrough door feature, included with every pen, enables owner and pets to walk into the enclosure without having to step over the side or climb through a small opening. Beautiful, modern, minimalistic, furniture-style design comes in 3 colors and 2 heights to match your décor and is aesthetically pleasing in your home. Silver, gunmetal gray, or white color options provide the choice to make your pen boldly stand out or seamlessly disappear within your home. Our modular enclosures come in three sizes and can be expanded and reconfigured with a Universal Kit Add-on. Small pens are approximately 2 ft x 4 ft, medium pens have two configuration options - 4 ft x 4 ft or 2 ft x 6 ft, large pens also have two configuration options – 4 ft x 6 ft or 2 ft x 8 ft. Add a Universal Add-on Kit to your pen to create many new configurations options. Please see our Universal Kit listing for details. Aerospace grade aluminum frame, recessed acrylic wall panels, polycarbonate connectors, and stainless steel hardware are expertly engineered in a robust, elegant design. The pens weight between 35 lbs for the small 27” height up to 60 lbs for the large 36” height. The play pens are not for animals who are aggressively trying to escape, and they are not for infants/children. The large 36" height pen is the most popular of our taller height pens. Loved by pup owners, this pen is also a favorite for folks with bunny rabbits, ferrets, and kittens! It can be set up in two different rectangular configurations (2 panels x 3 panels or 1 panel x 4 panels).The Large 36" Lucidium Dog Pen is an oversized, indoor enclosure, with 3 color choices, a drop-down bar at the door for walk-in access, and clear panels. All Lucidium pens are intended for small and medium breed dogs (up to 40 lbs.), puppies, and other small animals like rabbits, guinea pigs, kittens, and ferrets. They are not designed for large dog breeds or pets that are aggressively trying to escape.Size:Height: 36"Width x Length: 48" x 72" or 24" x 96" (Can be assembled either way)Approximate weight assembled: 60 lbs.