New improved size at 55" Length X 37" Width X 4" Height with 3 dimension gusset style. Strong and heavy duty Canvas fabric. Re-usable many times and machine washable/dry-able. Additional color in Denim blue or Suede brown are available at dogbed4less link on the top. * The external cover is made by 100% cotton with 9 oz Canvas fabric in olive green color. * The size of this cover is designed to fit in 55"X37"X4" pad or 55"X37" pillow by Dogbed4less pet bed product. The cover also designed to fit on 6 King size bed pillows. Unlike any other cover, our new improved hidden zipper with eyelid design plus extra stitching boasts lasting quality, wash after wash. * This listing is for Canvas external replacement cover only, please visit my other listing here a Amazon for a complete dog bed with memory foam pillow or pad in small, medium, large, XL to jumbo sizes.