A Brexit pop-up store offering the "worst deal ever" with mock items highlighting the potential cost of leaving the European Union was opened in London, UK, on Black Friday (November 23). /VCG Photo

The "Costupper" shop located in south London was set up by the People's Vote campaign group calling for another referendum with an option to stay in the EU. /VCG Photo

Opened for just one day, the store put up with slogans such as "Welcome to your local inconvenience store" and "Huge reductions on disposable income," and sold products like chlorinated chicken and shampoos with higher price tags, which unveiled the potential future of the UK after leaving the EU. /VCG Photo

Some of the shelves were deliberately set empty, highlighting the concerns of the need to stockpile imported products for the future. /VCG Photo

The store appeared ahead of the EU summit scheduled on Sunday, at which representatives of the remaining 27 member states are set to sign the overall draft of the Brexit deal. /VCG Photo