This rectangle orthopedic pet bed is made from heavy duty microfiber fabric and nylon sherpa, and is filled with a double-sided, convoluted foam insert. The dog bed cover has a zipper construction for easy removal to machine wash. This product is available in four sizes. 

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Dimensions - 

XS: 24 x 18 x 4

S: 36 x 24 x 4

M: 42 x 30 x 4

L: 48 x 36 x 4