Pro Select Wire/Steel Smart Snap Dog Pen, Medium/Large, Silver Sage Smart snap pet pen is a handy dog playpen that is easy to set up and break down Panels are made of silver zinc-plated steel wire with secure latching doors on roof and side A modern design that fits today's home trends and busy lifestyles Two doors one on top and one on side to provide easy access to pets Measures 36-inch length by 24-inch width by 27-inch height