Pet Yard Plastic Exercise Dog Pen, Light Gray Durable, light grey plastic panels are easy to clean, and fold up fast for easy travel with carrying straps Features six interlocking, expandable panels that allow you to easily change the size and shape of dogs play area, indoors or outdoors Available in light grey color Mesh spacing is 13/4-inch length by 1-1/4-inch width Comes with six interlocking panels measuring 30-inch width by 26-inch height allowing you to create a 18-1/2 square-feet play area