Turn your IKEA® BILLY bookshelf into multiple showcases with the display window range from Wicked Brick®. Our solid colour printed window display is perfect for displaying your collectables whilst maintaining the style of your home. Create a fully enclosed space within your BILLY shelf for the ultimate dust-free solution with an optional back plate. Product Features Sturdy and stable design reinforced by our signature screws and cubes Unique included Key allows you to manage your display with ease 100% dust-free solution when a Window is paired with a back plate Product Specifications Frame and backplate material: 3mm Acrylic Key material : 3mm Acrylic