Window Box Liners - Plastic Planter ... - Flower Window …
Window Box Liners In PVC, we offer both architectural grade liners as well as light duty window box inserts.Our Flower Window Boxes TM brand architectural grade PVC window box liners are made of a thick material that looks and feels like wood. Unlike other liners, the high grade plastic material will not warp, sag, crack, distort, or fade over time.