Padded ‘thing’ (Bloomsbury WC1H)

No idea what this is - it’s padded, about 46x30 inches with 2 loops on the longer edge.
Could it be a padded curtain for a draughty window or a an extra bed covering for a young child? See photos.

To be collected from near Russell Square (on Sunday. Or first half of Saturday or Monday morning. Or will have to be later in March). Please say in your reply when you can collect.