Material: self-adhesive Fabric. Made for texture lovers, made of Polyester Fabric with adhesive in the back, with the fine woven finish on the surface, for all colors wall. It works only on smooth, clean, dry and flat surface. Tear-, durable, water-resistant, easy to handle and clean.Vibrant color rainbow finish size: 94.49" x 55.12". To facilitate installation, we cut the wall mural into 6 PCS. Recommend NOT to use it on textured walls. The rougher the wall is the more air will be trapped in, will result in poorer adhesion.Just peel and stick. The products have been cut and pre-peeled for easier application. Post the wall murals in sequence according to the serial number on the panels. Please refer to the instruction manual, if you have any doubts, don't hesitate to reach out to us.A two person project: positioning these stickers with masking tape (NOT included) first, person one peels back the backing of the sticker towards the wall and has an eye for symmetrical line up of the arches and colors, person two holds the sticker to the wall and press it to the wall to ensure no bubbles and wrinkles. Please slow peels off the backing.Make sure the position you want to use before installation since the adhesive hardens as time passed and will become more difficult to remove. They are not removable. Peel the backing paper off as needed to prevent the product from rolling together. The brightness of rainbow color varies slightly in different lights