You need total 122cm x 360cm (4) and you will receive 122cm x 1440cm large roll.

Item No. : ICS0780_61_200

https://www.royalwallskins.com/products/concrete-look-faux-wallpaper-interior-film-peel-and-stick-self-adhesive-decor-24-x-78-7?_pos=1&_sid=91901aaa0&_ss=r