The Arch Decora Window Boxes with plastic white Liners that are available in different sizes. These vinyl liners are UV protected and provide more planting depth than most other garden center liners. Complete with drainage holes these Liners are a perfect complement to the Arch iron work design . Installing Arch Decora Window Boxes overflowing with your favorite flowers will add charm, elegance and a touch of your personal style to any home. Bolts sold separately and not included. Your hardware will vary depending on the surface you are mounting your window box planter to.