It's all about options

Furniture protectors and Covers for pet beds
Quilted Suede Furniture Protectors: Offer lush and soft feeling of suede without the high price. Features and benefits: Just "throw" it on the couch to protect your furniture from pet hair and accidents... not that this isn't a winning proposition for your pet, too. Protector Pad is machine washable for easy cleaning. 100% poly.
Quilted Suede Bed Protectors: Because accidents do happen! The Protector Pad is great for older pets or puppies in training. Use it at home or in the car when you're on the go. Offers lush and soft feeling of suede without the high price. Unbelievably similar to real suede, but a lot easier to care for. Machine washable and vary pet friendly. 100% poly.
Zippered Construction. Custom made to fit Square and Rectangular pet beds with square mattress type corners.
Zippered Construction. Custom made to fit Round and Oval pet beds with square mattress type corners.
Zippered Construction. Custom made to fit Square and Rectangular pet beds with pillow type corners.
Elasticized Construction. Custom made to fit pet beds with square mattress type corners. Works like fitted sheet.