The wallpaper will come in several panels and not in rolls. How to place the order Measure your wall dimension: Height*width=Square meter Example: Your wall size: Width=3.2 M, Height=2.8 M The square meter you need is 3.2x2.8=8.96 square meter so please choose quantity 9 when you place the order. If your wall size is in feet or inch and do not know how to convert and please send me message inbox and i can help you convert. Installation step for join panels style 1. Prepare the tools: the barrel, glue, ruler, knife, roller, towel. 2.Clean the wall and make sure your wall is clean and dry. 3.Check the size of wallpaper roll and match the pattern(leave 2-3cm overlapping part) 4.Mark the vertical lines on the wall. 5.Brush the glue on the wall and also the back of wallpaper. 6.Use a knife to cut out the excess part and use a twoel to clean up the glue overflow. 7.Continue to paste the next panel. Be careful to match the pattern of wallpaper. 8.Use a knife to cut out the excess part around the socket. 9.Close the doors and windows to keep it dry naturally. If you have any other question, please feel free to contact me. Enjoy your shopping here^_^