Built-in dog crate area. A pet door to the yard would make it ideal.
Dog Pet Pen Playpen CLS-960 Small - Pink: http://www.amazon.com/Dog-Pet-Playpen-CLS-960-Small/dp/B004DJLL6G/?tag=greavidesto05-20
Custom Rescue Dog Pen More
Dog Playpens - Great for small dogs and young puppies. Easy to pack and go. Great for indoors or outdoors. Available at Walmart, Amazon, etc.
IRIS USA, Inc. Heavy Duty Plastic Pet Pen with Door
Go Pet Club Heavy Duty Play and Exercise Pet Pen
Have to have it. IRIS 8 Panel Exercise Pet Pen with Door - $129.99 @hayneedle.com
Pet Pen - Octagon Pet Pen 36in. Removable Top (4 Colors)
Pet Pen Floor Mats various sizes Machine washable by kennelmaster