1. Doskocil Exercise Pen

Doskocil's Exercise Pen allows you to create a safe indoor or outdoor exercise area for your pet. The durable wire, solid hinge design is effortless to set up and folds down for portability and easy storage. The snap hook assembly also can be utilized to attach the pen to a wire crate. Pet parents can choose from an assortment of heights.

Doskocil Exercise Pen: Includes ground anchors Folds flat for convenient stowaway Easy set-up; no tools required Ideal for a variety of pets Durable black finish Step-through door Secure door latches Expandable, modular design for multiple configurations

2. Petmate Excersise Pen (Sizes M-L)

PETMATE EXERCISE PEN INTERMEDIATE 8-PANELS 24 X 30 21555002

For indoor or outdoor use, fold-up, sets up in minutes, folds flat for easy storage, solid hinged construction, 8 panels each 24'' wide, door in door feature allows food or water dish through without letting pet out.

3. Petmate Playpen Conversion Kit

Make sure your cage is pet-ready with the Petmate Playpen Conversion Kit. Two included wire climbing racks give your furry friends different levels and vantage points, not to mention a little space away from their cage-mates. An adorable leopard print hammock adds a soft and secure little sleeping space that your pets are sure to enjoy and make use of. All pieces are quick and easy to install, and all metal is electro coated to keep corrosion at bay.

Make sure your cage is pet-ready with the Petmate Playpen Conversion Kit. Two included wire climbing racks give your furry friends different levels and vantage points, not to mention a little space away from their cage-mates. An adorable leopard print hammock adds a soft and secure little sleeping space that your pets are sure to enjoy and make use of. All pieces are quick and easy to install, and all metal is electro coated to keep corrosion at bay.