Sherpa Fleece Quilted Oval Mattresses for Plastic Dog Beds by Danish Design.

Danish Design Luxury Deep Filled Quilted Mattresses are available in eight sizes and 3 colours.
Mattresses are made to fit oval plastic beds and are filled with deep supersoft polyester fibre to give even more softness, warmth and comfort.

Available in the following sizes:-

18", 21", 24", 27", 30", 33", 35" and 40" (maximum length quoted).