Vintage magnetic soap holder.
Brand: ZACK
Made in West Germany
Could be used for a small bar of soap or even a shaving brush (according to the diagrams on the box)
Bought for the family caravan when I was a child, but I don't think it was ever fitted and used.
The glue and screws have disappeared from the box.
Vintage Magnetic Soap Holder (Harrogate HG1)
This offer has been gifted to someone and is no longer available.