Frequently Asked Questions We hope these frequently asked questions help you. If you are unable to find your answer here or elsewhere on our site, please feel free to contact us. What is an X-Pen?Exercise Pens are the secure way to keep dogs contains in backyards, at dog shows, or on the go. Why would I need a cover for my X-Pen?X-Pen Covers from Glenwood Pets keep your dog cool, covered and ready to show. They are waterproof and washable and provide security, shade and deter escape. What colors are available for your X-Pen Covers?Our X-Pen covers are available in Red, Blue, Hunter Green, Burgundy, Teal, Purple, Tan and Gray. We can build Custom X-Pen Covers to your specifications. View our selection of Glenwood X-Pen Covers. How do I order your products?You can download and print our order form from the Ordering page. What other products are available?In addition to the X-Pen covers, we sell extra X-pen cover sides, T-Tops for crates, utility bags, astro-turf mats and EZ-Leads and Exercise collars.