**External Cover ONLY - Bed not included.** Size:Medium. Dimension:36'x29' Color:Black Fabric Type:Canvas Outer Tough Strong Black Canvas Flat style design with Metal Pull-tab Cover for Comfort and Security. Using a replacement cover is a great way to save in the long run. No need to throw away your whole bed and just replace the cover over and over again! Easy to pack and store. Covers can be unzipped and removed for a fast and convenient cleaning time. Machine Washable in cold temperature setting.