Quantity = 1. The covers size is measure 59″ in length X 41″ in width with flat design. This listing is for internal liner cover only with no stuffing. The cover will keep the interior of your pets bed clean and dry. This XXL internal pet bed duvet cover fits perfectly over Dogbed4less 55″X37″x4″ XXL memory foam pet bed (sold separately). This 59″X41″ flat duvet cover is intended to protect the existing bed structure at a similar size to 55″ H x 37″ W with 4″ thickness. Internal zipper cover is waterproof fabric on top and bottom side. Need an external cover or complete pet bed? Click the dogbed4less link on the top next to the title to see our entire pet bed selection.