Window Box Planters with attached liners Flat bottoms make them easy to plant and transport. Use them on windows, walls and railings. They can also be used directly on decks and patios, using pot feet supports to raise them off the ground. Constructed from heavy gauge steel bars, coated in black plastic. Window Boxes with side planting look full and luxuriant soon after planting 24" Window Box Planter 24" long x 8" wide x 8" deep holds seven side plants, seven top edging plants and two 6" or gallon size centerpiece plants Replacement Liners are available 30" Window Box Planter 30" long x 8" wide x 8" deep holds eight side plants, eight top edging plants and two 6" or gallon size centerpiece plants Replacement Liners are available 36" Window Box Planter 36" long x 9" wide x 9" deep holds nine side plants, nine top edging plants and three 6" or gallon size centerpiece plants 44" Window Box Planter 44" long x 9" wide x 9" deep holds eleven side plants, eleven top edging plants and five 6" or gallon size centerpiece plants Replacement Liners are available NOTE: Use 3" or 4-1/2" plants for sides and edges.