When is a cushion not just a cushion?

when it conceals a single bed quilt that folds up inside it.
The cushion is actually attached to the back of the quilt and gives an extra bit of warmth over the feet,
Attic window design from desbysick.
This quilt is for the tiny Bambi motorhome and doubles up as a cushion during the day time. It is polar fleece backed for warmth and lightness and ease of washing.
Annie in the UK