Dnven (13"w X 13"h X 3pcs) Set of 3 3D Porthole Undersea Underwater Diving Window View Faux Submarine Window Partial Frosted Frosting Murals Wall Decals Removable Wall Stickers for Bedrooms

Instructions:
1. Clean the surface with soft cloth before you stick.
2. Place the larger pieces first and then the smaller pieces.
3. Must take a card such as credit card, rub the sticker from middle to the two sides when you stick. Rubbing the sticker and squeezing out all air bubbles.
4. Needs 1-1.5 hours to finish it.