Machine Washable Cover: The dog bed cover features a premium YKK zipper which allows for easy removal of the cushion insert allowing you to throw the cover in the wash. Premium Material: Upholstery grade linen fabric with a sage windowpane pattern Cover Construction: Pet bed covers have tapered edges to create that 'just so look', for the perfect corners Stuffing: Stuff with one of our Sammy's Waterproof Sustainable Pillow Inserts ( separately sold) or you can use standard bed pillows, old sheets, towels, or old dog beds. Sustainable: We are a sustainable company that uses a no waste process and strive to keep out carbon paw print to a minimum Washable Removable Dog bed covers are handmade with premium upholstery grade material in a beautiful sage windowpane print that will accent any home. Stuff with one of our Sammy's Sustainable Pillow Inserts ( separately sold) or you can use standard bed pillows, old sheets, towels, or old dog beds. We pride ourselves on our quality so every pet bed cover uses overlocked stitching for maximum durability, a premium YKK zipper, and each cover is tapered for that just so look in the corners. All items are handmade with love and laughter in Foresthill, CA. SIZES S - 30" x 20" M - 36" x 29" L - 40" x 33" XL - 50"x 40”