Anweshas Water Active Wallpaper Poster is made with high quality water active sheet of high density. The posters by Anwesha's are very easy to install, with patented water active techonology which activates the glue only when it comes in contact with water. So just spray some water and put up the wall paper on the wall, remove the bubbles spread it till you get a perfect fit and let it stay for 12-24 hours, post which the poster will make your wall glow. Dimensions (W x H)- 30 x 20 Inches. Instructions for application: 1. Make sure your wall is clean. Wipe it off with a soft cloth. The wall should be free of dust, fat or grease - otherwise the poster may not stick to your wall as well as it's supposed to. 2. Take a spray and spray the poster with water, till the time the hand runs smoothly on its surface. 3. Align the poster on your wall, take care that you put it on straight and in the exact position that you want to place it. The best part you can still move it around for a good fit. 4. Proceed carefully with the use of a clean cloth and/or a plastic card (i.e. ATM card) to assure no air bubbles remain. Though the patented water active techonolgy assures you of no bubbling on the surface.