Perhaps you're thinking of:
* Bayeux blankets: These are a type of tapestry woven in the style of the Bayeux Tapestry, often depicting historical scenes or landscapes.
* Blankets made in the Bay Area: There are many companies in the Bay Area that produce blankets, such as Pendleton, Hudson Bay, and other local makers.
* Blankets specifically designed for use in a bay window: These might be called "bay window blankets" or "window seat blankets."
Please provide more information about the type of blanket you are looking for, so I can give you a more helpful answer.