If you write us your wall size in inches and width from the ask a question to the store section, we can tell you how many pieces you need to buy. dimensions: 70cm (width) x 77cm (height) x 0.4cm (thickness) 1 panel covers an area of 0.54m2. 2 products cover 1 m2 area. you should buy the wall panel in one go, because in your second order, there may be a tonal difference in our products produced at different times -assembly- required materials-dry cloth, -scissors or utility knife, -ruler -pencil application-wipe your wall with a dry cloth. - mark where you will paste the bottom row of the panels with the help of the ruler. -the adhesive protective film on the back of the panel is opened from the top and a 10 cm part is adhered to the wall. after the glued part, it is checked whether the panel goes down straight as in the desired guide. - if the panel guides are correct, the adhesive protective film is opened downwards, allowing the panel to stick to the wall. -to ensure that the adhesive on the back of the panel adheres to the entire surface, each point is pressed by hand. -the same process is applied for the whole wall. -the panels are wiped with a damp cloth and the application process is finished. your wall is ready in 15 minutes! -features- it is very easy to apply since it is produced with a do-it-yourself system. there is a complete sticker on the back of the panels. you just need to remove the protective layer and stick it on the wall. it can be easily cut and given the desired shape with the help of scissors or a hammer. it does not need any extra mounting kit or adhesive as it is self-adhesive. it is three-dimensional. since there is a visible depth, it provides a brick appearance on the wall when applied. one panel covers an area of 0.53 m2 and weighs 220 grams. its surface is sponge-soft. it creates a protective layer in case of small children hitting the wall and prevents possible accidents. it is odorless and environmentally friendly. it provides heat and sound insulation. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.