About this item Remove the Protective Film There are scratches and bubbles on the protective film of pieces, due to the application of thermal laser production process. You will see the perfect bright and reflective surface once film removed after product installation (The protective film is a frosted surface) Clean The Wall before Installing Please note to clean the dust that is invisible to human eyes on the wall or product will fall within 24 hours. More High-Grade & Durable Due to its 3D, Bright, Reflective and Aging Resistant 2mm thickness acrylic material, it has a more high grade mirror effect, and much longer service life, compared with traditional vinyl wall decal; Enjoying The Fun of DIYJust peel & stick to assemble the product with full-size stencil, it's simple and fun like jigsaw puzzles. What You Get37 pieces of 2mm thick acrylic stickers, assembled 23-inches wide by 59-inches tall, full-size stencil, and friendly customer service.