The Canvas Bottom (replacement part) by MidWest Homes for Pets is compatible with the Guinea Pig Habitat (model 171GH) and Guinea Pig Habitat Plus (model 171GHP). The Canvas Bottom is made of durable PVC-lined water proof canvas and is hand washable for easy cleaning and maintenance. The Ramp Cover comes in an attractive teal color, includes Velcro straps to secure it against the Guinea Pig Habitat and creates a deep boarder around the cage keeping litter cleanly inside. MidWest Homes for Pets stands behind the quality of our products with a 1-Year Manufacturer’s Warranty. If you have any questions about the Canvas Bottom or the Guinea Pig Habitat our customer service department would be glad to help you. MidWest customer service can be contacted at: 1-800-428-8560, available 8:00 AM – 5:00 PM, Monday – Friday.