The Giant Book of Cyberpunk Battle Mats - Rules of Play says:
Attention Adventurers! Things have just become dystopian! The Giant Book of CyberPunk Battle Mats is a collection of 62 battle mat pages in a large lay flat spiral bound volume, A3 in size per page. Designed to provide easy access to a variety of modern, near future and post-apocalyptic environments to be used for encounters. The spiral binding allows the book to be laid flat and for each two page spread to be used as a single mat.