Border size is 5" w x 15' long No need for water or adhesive. The easiest and fastest way to decorate Can be applied on any clean and smooth surface. Works on tiles, mirrors, windows, furniture, doors, etc. The Dark Knight leaps into action and into your bedroom! This Batman peel and stick border will thrill Batman fans of all ages. It's so easy to apply: just peel and stick! And don't forget to check out the coordinated appliques (sold separately) for a complete Batman look.