A toilet roll where each sheet is an image of Banksy’s work.
You are welcome to use Banksy’s images for non-commercial, personal amusement. Print them out in a colour that matches your curtains, make a card for your gran, submit them as your own homework, whatever.
Source: Pest Control: Use of Images
How can I tell what Banksy merchandise is genuine?
Banksy makes art, which generally speaking can be defined as something that didn’t exist before and that works in a specific location. Merchandise is taking one of these pieces of art and sticking it on a photo canvas or toilet roll holder.
Source: Pest Control: FAQ