Contour Exercise Pen W/DoorProduct Description Contour Exercise Pen W Door Ingredients Key Features Multiple lock points and safe and secure slide bolt latch which provide added security for your pet. Easy to set up, no tools required. Large door opening allows convenient step through access for people and pets. Attach to a crate and give your pet the freedom to move and play while adding the security and comfort of a crate. Create a safe, outside play area includes ground