Psychedelic Sensation - Vinyl Self-Adhesive Wallpaper Prepasted Wall stickers Wall Decor (Roll) 17.7 Inches wide by 394 Inches long; approximately 45 useable sq ft. Pre-pasted, requires no additional adhesives or activators. Easy to apply - just peel and stick! Applies to any smooth surface. Removable and repositionable with no sticky residue. Eco friendly, waterproof and wipe clean.