INSTALLATION: Easily lay into a standard 15/16" T-bar drop ceiling grid system. MATERIAL ADVANTAGE: It's made of lightweight PVC, flexible and will not crack, water and corrosion resistant, exceptionally durable, safe and fully recyclable. PACKING QUANTITY: It contains 12 tiles sized 24"x24". Covering 48 sq.ft CONSTRUCTION: It's thin and lightweight, pretty easy to DIY, paintable, cut with a snip, scissors or utility knife for quick and easy installation. MULTIPURPOSE: These elegant stylish 3D designs are excellent no matter for remodeling or new construction to ceiling or wall decoration.