Unicorn Window Wall Applique. All of our stick-ons are printed on self-adhesive, peel and stick waterproof vinyl. These stick-ons are designed for indoor or outdoor use on any flat, clean, dry surface. They are removable and the adhesive will not remain on the wall when the stickers are removed. Adheres to almost any smooth surface such as metal, wood, glass, cardboard, paper, plastic etc. To apply, simply remove the backing and stick it on! VERY EASY! You will receive simple application instructions with your order. Measures: 38" x 32". Please allow 3 to 7 business days for delivery.